Guangdong South HongMing (HK) Electronic Science & Technology Co Ltd

These are piezo elements which include diaphragm, humidifier and ultrasonic transducers. The company also manufactures sound buzzers sensor and alarm components.
    Electronic components for various kinds of electronic devices  Detailed specification available on the company website  

Piezo Elements And Buzzers

MGM Industries & Company

Features: *The shell is made of bronze fashionable aluminum alloy cold-rolled steel plate and spraying technology. The tank body  is made of mirror stainless steel, and the shelf bracket can be adjusted at will. *LCD display. *LED plant light system. *The specially designed air duct structure and the air circulation design with breeze make the indoor temperature and  humidity control more stable and even. *Adopt imported compressor eith high and low pressure protection. *The humidification adopts a large-volume tank ultrasonic humidifier, which makes humidification more reliable and stable. *The controller has a variety of antiinterference measures. The thermostat is squipped with sensor failure alarm,  upper and lower temperature deviation alarm, over temperature alarm and parameter storage.   

Climate Incubator

AL Goodwell Industries Ltd

  Transmitter/Receiver/Combination of Transmitter & Receiver  Aluminium Case, with Pin  Flower mesh/Black mesh/Waterproof Type/White mesh  Dia. Range: from 10mm to 25mm  Height Range: from 12 to 22.5mm  Frequency: 23/25/33/39/40 KHz  

"AL" Brand Ultrasonic Sensor

JoinMax Digital Technology Co., Ltd.

Age 6+ Kit includes 1pcs E6RCU(program), 3pcs motor, 0 pcs AI vision module, 1pcs ultrasonic sensor, 2pcs photoelectric sensors, 1pcs color sensor, 2pcs touch sensor, 1pcs LED module,619pcs blocks(10mm). More than 20 models, 96 course. More: https://www.zmrobo.net/products/67  

ZMROBO JOINMAX Programmable Stem Educational Robot Kit For Adults Best DIY Build Kits coding for beginners AI Camera line follower Sets

Shantou Flying Technology Inc

V333 RC Boat 15km/h 2.4G High Speed RC Racing Ship 60mins Long-time Use Speed Boat Model Toy Gifts  Features: 1. New technology ensures more durable use The upper and lower boat hull are integrated with ultrasonic technology, which is more good-looking and double the waterproof effect. 2. 2.4Ghz frequency The smart 2.4Ghz long distance remote control and featured with non-interference, multiple RC boats can race at the same time within the range of 50m. 3. Low battery reminder When the voltage is too low, the light of the boat flashes quickly, and the remote control emits a "beep" sound, reminding the user to recall the boat without worrying about the risk of losing the boat. 4. Water sensor switch, which is safer to use Humanized safety design, the water sensor device at the bottom of the boat needs to touch the water to start the engine, which effectively prevents scratches and is safer for children to use. 5. Long battery life Short charging time,usage time 30mins, flashing/steady on mode, making water games more fun, this is an ideal birthday/Christmas/Halloween gift for kids/friends.  Function: Forward / Backward / Left Turn / Right Turn / Water Sensor Switch / Low Battery Reminder / Long Battery Life / Waterproof  Specifications:Brand: Flytec Model Number: V333 Item name:  RC Boat Vehicle Models For Age: 14+ Remote controller: 2.4GhzColor: YellowMaterial:ABS Plastic Charge Time: 2 hours Control Time: 30 mins Control distance: 50m Speed: 15KM/HController Battery: 1.5V AA * 2（not included）Boat Battery: 3.7V 500MAH(Built-in lithium battery) Product Size:26*8.5*9cm Product Weight: 340g  Package Information:Colorbox+Blister Package Package Size: 36.5*17*10.5cm Package Weight: 540g Carton Information:PCS/CTN: 12PCS Carton Size: 42*37.5*53cm G.W./N.W.: 7.3/6.5KGS  Package List: 1*RC Boat, 1*Remote Control, 1*RC Boat Battery, 1*USB Charging Cable, 1*Instruction Manual, 2*Spare blade, 4*Nut   

V333 RC Boat 15km/h 2.4G High Speed RC Racing Ship 60mins Long-time Use Speed Boat Model Toy Gifts

Shantou Yuanba Electronic Co., Ltd

This ultrasonic parking sensor features an&nbsp;auto-detecting mechanism to detect potential obstacles behind the car. It&nbsp;enables accurate distance measurement. The LED display will provide precise information and beeping sound to alert the driver.
 
  Reliable operation. 
  Easy to install. 
 

Parking Sensor

New Greathouse Electronics Industry Limited

Theory:PIR(Passive infraRed)motion activated Animal repeller uses a safe and humane way - ultrasonic wave to keep unwanted animals out of your garbage bin garden or yard    Left side:LED flash light   Right side:sound speaker(sound like gunshot)   white window:PIR sensor when the birds are near the sensor can sense                                                       Specification:                                                          1) Five LED flash light                                        2)gunshot or eagle or dog baek sounds 3)power:4*AAsize 1.2V battery    

GH-503 PIR Sonic bird Animal Repeller with strong flashlights to scare the wild animals and birds

Theory:                                                           Our new item can send out the electromagnetic and ultrasonic wave through the wires of your house,and effectively prevents them from trying to enter your home.The variable electromagnetic wave and 23-45 KHZ ultrasonic frequency attack the auditory and nervous systems of most common pests like rat,mouse,cockroach,bedbug,spider etc causing them pain and discomfort.  Working Modes: 1. ultrasonic+electromagnetic+night lamp lighting automacitally.                                                                  2.ultrasonic:23-45 KHZ                                                3.The soft night lamp lighting automatically due to sound sensor and lighting sensor,The light lasts for 1 mins.                                                                                                          Specification:                                                         power supply:100-240V AC power                                  Power Consumption:Only 1-3 Watts  

GH-703 New technology pest repeller with night light

Theory:                                                           Our new item can send out the electromagnetic and ultrasonic wave through the wires of your house,and effectively prevents them from trying to enter your home.The variable electromagnetic wave and 23-45 KHZ ultrasonic frequency attack the auditory and nervous systems of most common pests like rat,mouse,cockroach,bedbug,spider etc causing them pain and discomfort.  Working Modes: 1. ultrasonic+electromagnetic+night lamp lighting automacitally.                                                                  2.ultrasonic:23-45 KHZ                                                3.The soft night lamp lighting automatically due to sound sensor and lighting sensor,The light lasts for 1 mins.                        Specification:                                                         power supply:100-240V AC power                                  Power Consumption:Only 1-3 Watts    

GH-702 New technology pest repeller with night light

Hong Da Industrial (HK) Ltd

         Products that except that we introduced, you can offer specification, parameter which you required       to us too, we can make definitely according to your request.  For details and full product list, pls see our official website : https://www.hdic.com.hk/ 

Piezo Ultrasonic Components

Precision Enterprise Ltd

Garage Parking Sensor 	 Visual alert with 3 color display (red/amber/green) and 1 sensor 	 Ultrasonic wireless distance detection at 2.4M range 	 Programmable &quot;Red light&quot; distance setting to suit user&#39;s needs 	 Powered by AC adaptor and 4 X AA size battery 	 Ultrasonic technology alerts to obstacle 	 Auto sleep mode to prolong battery life  

ProUser Parking Sensor

Guangzhou Kequ Smart Play Technology Co., Ltd

Recommended age: 8 years and aboveProgramming environments: Mind+ and Arduino IDESupports graphical programming and languages: Micro Python, Micro C LanguageControl board: Arduino Nano compatible boardFeatures self-programming capabilities to adjust detection modes and modify action methodsOptional components: Ultrasonic distance sensor, Infrared distance sensor, WS2812B RGB LED Strip, Obstacle avoidance module, Line tracking module

Pickup Truck

The PIR detects motion and triggers the ultrasonic speaker emitting a tone that people cannot hear but chases away common outdoor pests like mice, rats, skunks, dogs, cats, foxes, deer, raccoons, squirrels, martens, birds, bats and more.Specification: PIR sensor angle:110 degreesStrong flashing LED and ultrasonic waveMaterial: ABS plasticPower: solar power +3 x AA rechargeable batteries or 9V 2A adapterUltrasonic Frequency:12-15KHZCoverage Area:8 meters@ 110°=70 square meter

Solar Animal Repeller

Mega Star (HK) Holdings Limited

Fly, buzz and hover through the air with this exciting drone of contrasting color create. As an excellent choice for both beginners and expert quadcopter pilots, it supports 3-axis digital stabilization and transmits live preview to your android and iOS devices after photo-taking and video-recording up in the sky.

Features:
&bull; Lightweight construction.
&bull; Curved middle body with camera.
&bull; Slim rotor blades with sleek protectors.
&bull; Contrasting color create.
&bull; Neat and contemporary design.
&bull; Excellent choice for both beginners and expert quadcopter pilots.

Specifications:
&bull; Flying camera with 16mpx.
&bull; 1080P 60fps video.
&bull; 3-axis digital stabilization.
&bull; Live preview controlled by transmitter, android or iOS devices.
&bull; GPS.
&bull; Visual position system and ultrasonic sensor.
&bull; Support &lsquo;follow me&rsquo;, &lsquo;go home&rsquo; and other functions.

Drone

Fine Offset Electronics Co Ltd

Ultrasonic wind sensor measures wind speed and direction, outdoor temperature and humidity, solar radiation and UV. No moving part. Long lifeHigh precious independent rain gauge3-in-1 sensor measures temperature, humidity, and barometric pressureRF wireless communication between the sensor array and receiver/control unit.Send alarm message to mobile by SMSThe data saved as a CSV file on the SD cardFree iPhone, iPad, and Android APPs are available from Wunderground.com.One 3W solar power panel (better for northern European locations and other places where sunshine is poor and daytime too short)Transmission frequency supported: North America:LTE-FDD: B2/B4/B5/B12/B13/B17/B25/B26 LTE-TDD: B41 WCDMA:B2/B4/B5 CDMA&amp;EVDO:BC0/BC1 GSM:850/1900 Europ: LTE-FDD:B1/B3/B5/B7/B8/B20 LTE-TDD:B40 WCDMA:B1/B5/B8 GSM850/900/1800/1900Can configured with PM 2.5 air quality sensor and soil moisture sensor (sold separately)PC software (USB connection);Upload the weather data to the dominated website by the WCDMA network: wunderground.com, Weathercloud, WOW, and your website (need to have the same protocol with wunderground.com)Supports uploading to ecowitt.net with the latest PC Software

4G Weather Station

Jiangyin Yuchuang Electric Appliance Co.,Ltd

Product Technical SpecificationsBattery: 3.7V 18650 1200mAh rechargeable lithium batteryUltrasonic Frequency: 25kHz - 61kHz (5 adjustable levels)Decibel Level: 90 - 120 dBWaterproof Rating: IP44Sensor: PIR motion sensorDetection Range: 6 - 8 meters (adjustable sensitivity)Detection Angle: 110°Operating Modes: Cycles through 5 different ultrasonic wave patternsHow It WorksWhen an animal enters the detection range of the PIR sensor, the repeller emits ultrasonic waves and activates a bright white LED strobe light to deter the animal.Deterrent MethodsUltrasonic wavesStrobe lightApplicationsIdeal for outdoor use in gardens, yards, lawns, farms, orchards, and more.

Outdoor Waterproof Ultrasonic Animal Repeller with LED Light for Yards and Farms

V555 2.4GHz Racing RC Boats 15KM/H With Transparent Cover And Bright LED Light Effect For Lakes Pool Features: 1. New technology ensures more durable use The upper and lower boat hull are integrated with ultrasonic technology, which is more good-looking and double the waterproof effect. 2. Cool LED lighting effects Use a transparent boat cover with red, blue and green LED strips under the cover to optimize lighting and make your boat more unique and attractive. Drive unobstructed at night and enjoy the fun of night racing. 3.2.4Ghz frequency The smart 2.4Ghz long distance remote control and featured with non-interference, multiple RC boats can race at the same time within the range of 50m. 4. Low battery reminder When the voltage is too low, the light of the boat flashes quickly, and the remote control emits a "beep" sound, reminding the user to recall the boat without worrying about the risk of losing the boat. 5. Water sensor switch, which is safer to use Humanized safety design, the water sensor device at the bottom of the boat needs to touch the water to start the engine, which effectively prevents scratches and is safer for children to use. 6. The latest creative water toys Dual light modes can be switched at will, flashing/steady on mode, making water games more fun, this is an ideal birthday/Christmas/Halloween gift for kids/friends.  Function: Forward/backward/turn left/turn right, water sensor switch, Low battery reminder, dual-mode night light (flashing/steady on)  Specifications:Brand: Flytec Model Number: V555 Item name:  RC Racing Boats With Bright LED Light Effect For Age: 14+ Remote controller: 2.4GhzColor: GreenMaterial: ABS Plastic Charge Time: 2-3 hours Control Time: 60 mins Control distance: 50m Speed: 15KM/HController Battery: 1.5V AA * 2（not included）Boat Battery: 3.7V 1000MAH(Built-in lithium battery) Product Size:26*8.5*9cm Product Weight:415g   Package Information:Colorbox+Blister Package Package Size: 36.5*17*10.5cm Package Weight: 620g  Carton Information:PCS/CTN: 12PCS Carton Size: 42*37.5*52cm G.W./N.W.: 8.4/7.5KGS CBM: 0.082  Package List: 1*Lighting Boat, 1*Remote Control, 1*RC Boat Battery, 1*USB Charging Cable, 1*Instruction Manual, 2*Spare blade, 4*Nut 

V555 2.4GHz Racing RC Boats 15KM/H With Transparent Cover And Bright LED Light Effect For Lakes Pool

AIpha B Set is an additional set of Alpha A Set, equipped with more sensors and command cards, which enriches the gameplay and programming functions of the set. The set also adopts physical programming method, making.children to realize programming ideas without using computers and other electronic equipment. At this stage, the addition of ultrasonic sensor,MIC sensor,Tilt sensor, and Potentiometer sensor can realize the interaction between the environment and machines, and between humans and machines. There are more than 350pieces of building blocks in the set, which allows students to build multiple robot cases with different shapes andf unctions. Note: "Alpha B Set" cannot be used alone, it needs to be used together with "Alpha SetA ". more: https://www.zmrobo.net/products/83 

ZMROBO DIY STEM Education robot Card Coding Programming in School for Children Learning Building Assemble Plastic Blocks and Sensors

Intelligence Storm fit forAge 10-15.   Kit includes 1pcs E6RCU(program), 3pcs motor, 0pcs AI vision module, 1pcs ultrasonic sensor, 2pcs photoelectric sensors, 1pcs color sensor, 2pcs touch sensor, 1pcs LED module,620pcs blocks(10mm). More than 20 models, 96 course.  Includes 96 lessons in six stages.The course covers structural knowledge,force transfer，how to control a robot with a master controller,how to sense environmental variables through sensors,and how to use software programming. The course also introduces the knowledge of artificial intelligence and the content of super rail race. covering multiple disciplines of robot programming, are excellent teaching tools for the robot popularization education and the basic teaching of artificial intelligence.     

ZMROBO Programmable Stem Educational Robot Kit For Adults  AI Camera Best Robot Kits

	PIR sensor angle: 110 degrees	Working way: strong flashing	LED and ultrasonic wave;	Material: ABS plastic	Solar power + 3 x rechargeable batteries or 9V 2A adapter;	Ultrasonic Frequency: 12-15KHZ	Coverage Area: 70 SQUARE METER

 Solar Animal Repeller

 	 PIR sensor angle: 110 degrees 	 Working way: strong flashing 	 LED and ultrasonic wave; 	 Material: ABS plastic 	 Solar power + 3 x rechargeable batteries or 9V 2A adapter; 	 Ultrasonic Frequency: 12-15KHZ 	 Coverage Area: 70 SQUARE METER  

Megastek Technologies Ltd

DESCRIPTION AND SPECSThe sensor is designed in a vandal-resistant housing made of aluminum alloy, has a connector and landing dimensions according to industry standards, and is used to measure the level of liquids and fuels and lubricants up to 2000mm highPower supply7 to 80 voltsGalvanic isolation2500 voltsWaterproofTrue IP67Working temperature-20℃ to +55℃Cable interfaceRS-232, RS-485Working temperature-40...+85℃Length of measuring partup to 2 meters

FLS fuel level sensor Ultrasonic Fuel Level Sensors for Fuel Tank Truck Vehicle GPS tracker

GH-704 New technology pest repeller with night light

-A strong ultrasonic wave to frighten animals. The wave is activated when an animal enters the PIR Sensor range and the animals feel uncomfortable and will run away from the area. -A strong flashing LED to scare animals. The strong flashing LED will be activated when an animal enters the area, then the animal will be scared by the light and will flee away. -In order to have a better effect we have added an alarm sound to scare wild animals. 

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