深圳市海曼科技股份有限公司

 	 Able to detect smoke and heat conditions and issue alarms; &phi;=80mm, the most mini NB product 	 Two types of batteries with different capacities for option, &nbsp;default battery is small capacity？（larger capacity is 3V 5500mAh, service lifespan up to 5 years ); Awards：2018 Germany Red Dot Award.  

Smart Photoelectric Smoke Alarm 

 	 Issue photoelectric alarms and voice prompt; Push alarm notification to cloud server; Do self-test manually and remotely both available 	 Report NB signal strength 	 Push smoke density to cloud server 	 Restart the alarm device remotely 	 Report IMSI number of SIM to cloud server 	 Report robotic arm status, such as robotic arm failure to cloud server; Report alarm device power-off message to cloud server 	 Turn on/off robotic arm in APP remotely 	 Support China Telecom and China Mobile network, replaceable Nano card.  

Smart Combustible Gas Alarm 

Chongqing Zorro Alert Technology Co.,Ltd.

Model ZR360CDA Power Supply DC 5V/1A(Type-C USB) Battery Cell 3.7V built-in lithium battery Battery Capacity 2000mAh Wireless Protocol WiFi Frequency Range 2.412-2.472GHz Versions 802.11 b/g/n RF Conducted Power 11b: 16 dBm 11g: 15 dBm 11n: 14 dBm Battery Running Time 12 hours Product Life 10years CO2 Measuring Range 400 ~ 5000ppm CO2 Measuring Accuracy 1ppm CO2 Measuring Tolerance ±(50ppm + 5%) Temperature Measuring Range 0 ~ 65℃ Temperature Measuring Tolerance ±1℃ Humidity Measuring Range 0 ~ 99%RH Humidity Measuring Tolerance ±5%RH Button Type Touch Button Display Type LED Size 100*100*30.5mm 

Tuya WiFi CO2 Alarm

Multifunctional CO2 Detector  The ZR360CDH Multifunctional CO2 Detector detects temperature, humidity and CO2 concentration. When CO2 concentration in the room reaches a certain concentration, the alarm will send out sound warning alarm.     

Multifunctional CO2 Detector

宏オ拓展有限公司

 	 ​Photoelectric sensing smoke alarm is more effective at detecting the smoke particles produced by slow-burning fires. 	 It is less sensitive to a fast flaming fire. 	 It can, therefore, be installed not only in the kitchen. 	 T3 alarm pattern, the sound is 85dB loudness at least. 	 Hush mode to avoid the false alarms during cooking and silent the Low battery beep in the midnight. 	 Packaged  

Smoke Alarm

美特(中國)有限公司

This yellow and brown toned gas leakage detector features a pen shape for portability. It is capable of detecting potential harmful gas leakage and allows you to take measures beforehand. The indicator lights show the working status clearly.

 Features: 

- Sense leakage of combustible gases such as butane, propane, acetylene and - methane (natural gas)&nbsp;
- Green/yellow/red LED indication&nbsp;
- Audible sound when detected leakage&nbsp;
- Low battery indication&nbsp;
- Auto power off&nbsp;
- No calibration is required&nbsp;
- Battery powered : 2 AAA (R03 / LR03 )&nbsp;
- Dimension (LxWxD) mm : 166x27x26&nbsp;
- Weight (approx.) grams : 45

&quot;FREE&quot; shipping cost arranged by &quot;First Come First Serve&quot;. Valid to 31 Mar 2018 for samples ordering only.

Gas Leakage Detector

 	 When Carbon-based fuel does not burn properly, excess CO is produced, which is a colorless,&nbsp;odorless, tasteless and poisonous. 	 Having an&nbsp;audible CO alarm could wake you&nbsp;and save&nbsp;your life. 	 T4 alarm pattern, sound is 85dB loudness at least. 	 Hush mode to avoid the false alarms during cooking and silent the Low battery beep in the midnight  

CO Alarm

Dongguan Bayroon Technology Co., Ltd.

GAS ALARM Senga X1

標準儀器有限公司

This carbon-monoxide meter detects the presence of carbon monoxide and measures concentrations between 1-1000 parts per million. The meter indicates the presence of CO by&nbsp;the beeper tone and the reading on the LCD.
 
  Digital LCD display. 
  Reliable operation. 
 

Carbon-Monoxide Meter

寧波鎧盾電子工業股份有限公司

This smoke alarm is professionally designed for commercial, industrial, and residential buildings. The smoke alarm is built with a quality sensor for excellent reliability. This smoke alarm is suitable for schools, homes, offices, public facilities and more.&nbsp;

 
  Voltage: 9V DC. 
  Low-battery warnings. 
  Power source: CR2450 battery.&nbsp; 
 

This gas alarm is built with a quality sensor to detect gas leaks. The gas alarm is able to detect and alert the leak of a wide array of gases. This gas alarm is suitable for homes, laboratories, industrial plants, etc.&nbsp;
 
  Input: 230V AC. 
  Power: 6W. 
  Push to test. 
 

Gas Alarm

浙江佳伯爾電子科技有限公司

 	 Model Number: TSS380D-HR 	 Power Supply: DC 3V built-in lithium battery 	 Quiescent Current: &le;8uA 	 Alarm Current: &le; 28mA 	 Comply With Standard: EN14604:2005/AC:2008 	 Alarm Volume: ＞85dB(A)@3 meters 	 Production Life Time: ＞10 years 	 Battery Life Time: ＞10 years 	 Wireless Frequency: 433MHz 	 Wireless Interconnection: Up to 40pcs 	 Humidity Range: ＜93% relative humidity(RH) 	 Temperature Range: 0℃ to 40℃ 	 Platic Material: V0 level flame retardant ABS 	 Product Size: 120mm in diameter &times; 38mm depth  

Wireless smoke alarm

廣州市多一電子有限公司

Depicted is a liquefied natural gas (LNG) detector comes with a professional design. It is well designed to deliver reliable and high-precision performance. This high-quality LNG detector offers an extra-long service life.
&nbsp; 	 Combustible gas detector. 	 CNEX: Ex ib IIB T4 gb approved. 	 Sensitivity as low as 5ppm. 	 Japan sensor. 	 Sensor failure indication. 	 Temperature compensation. 	 Alarm device (sound, light) failure inspection.  

LNG Detector

 	 Model Number: TSS890B-HI 	 Power Supply: AC220V-240V with DC 9V battery backup 	 Operation Current: &le;100mA with AC power 	 Comply With Standard: EN14604:2005/AC:2008 	 Hush Time: 8mins 	 Alarm Volume: ＞85dB(A)@3 meters 	 Production Life Time: ＞10 years 	 Wired Interconnection: Up to 40pcs 	 Humidity Range: ＜93% relative humidity(RH) 	 Temperature Range: 0℃ to 40℃ 	 Platic Material: V0 level flame retardant ABS 	 Product Size: 140mm in diameter &times; 44.9mm depth  

Hardwired smoke alarm 

 	 Model Number: TCS301A-H 	 Power Supply: DC3V built-in lithium battery 	 Quiescent Current: &le;10uA 	 Alarm Current: &le;60mA 	 Comply With Standard: EN50291-1:2018 	 Alarm Volume: ＞85dB(A)@3meters 	 Display: With LCD display 	 Hush Time: 8mins 	 Product Life Time: ＞10 years 	 Battery Life Time: ＞ 10 years 	 Humidity Range: ＜25%-90% relative humidity(RH) 	 Temperature Range: 0℃ to 40℃ 	 Product Size:&nbsp;90.6mm in diameter &times; 35.2mm depth  

Carbon monoxide detector

進達電子製品有限公司

Wireless CO2 sensor with RF-to-Modbus receiverSensor:	Connect with receiver through wireless communication	Can connect with 0-10V output receiver	CO2 measuring range: 400-5000ppm	Accuracy is ±70ppm ±5% of the measured value.	f it takes the output 0~10V with loading of 4~20mA, 0.1V(1%) will represent the change of 50ppmReceiver:	Collect data from CO2 sensor	Connect with sensor through Modbus communication	Data is stored on Modbus server so that data can be accessed anywhere	All settings can be viewed and controlled by Modbus server

IAQ Wireless CO2 Sensor with Receiver 

福建友通實業有限公司

Clearance Household Multifunctional CO2 Detector Portable Air Quality Monitor LCD Display CO2 Sensor Air Quality Meter

溢鋒設計有限公司

Provides accurate information about the quality of air in your home, office or greenhouse4.1” / 10.5 mm large color LCD (VA type)Large readout of CO2, Temperature, RH%Slim modern designMeasure CO2: 400~5,000ppmTemperature: 0°-50°C - RH%: 20-95%Different CO2 colour icons to show the CO2 levels (Green, Lime, Yellow, Red)NDIR (non-dispersive infrared) gas sensorAdjustable backlight brightness°C/°F temperature unitContinuously measures carbon dioxide, temperature and relative humiditySelf-calibrating, no moving parts to wear outMax-Min meomry of CO2,Temperature and RH% of last 24 hoursAuto-scrolling display of current-Max-Min CO2,Temperature and RH%Programmable Alert reminder on low/high CO2 levelsAudible alarm for CO2 alertProgrammable alert reminder on low/high RH%Manual calibration feature of CO2, RH, TemperatureNDIR life time： minimum 5 YearsBuilt-in ROM memory to keep settings and last memoryPowerd by external AC/DC adaptor (5V 1.2A)Display size: 95H x 50W (mm)Product size: 145H x 94W x 27D (mm) 

Air Quality CO2 Monitor

YT6961 Multi functional, large screen, color, air quality detector, PM2.5, carbon dioxide

1. Provides accurate information about the indoor air quality of home, office or greenhouse 2. Large readout of CO2 3. Slim modern design with high-resolution display 4. CO2 measurement : 400 -5000ppm 5. 4 colour icons indicate air quality and ventilation 6. Adjustable CO2 value alert with optional alarm sound 7. 12/24 hour time 8. Programmable snooze 9. Alternate display of time and CO2 value 10. Adjustable backlight brightness 11. Powered by external AC/DC adaptor 12. Product size : 280 H x 75 W x 75 D mm 

1. Provides accurate information about the indoor air quality of home, office or greenhouse 2. Large readout of Time, CO2, Month-Date / Temperature-RH% 3. Mirror coated lens 4. Measure CO2 : 0~5,000 ppm - Temperature : 0℃-50℃ - RH% : 20-95% 5. Different CO2 colour icons to show the CO2 levels (Green, Lime, Yellow, Red) 6. NDIR (non-dispersive infrared) gas sensor (single beam) 7. CO2 monitor on a large high-resolution display 8. Self-adjustable display brightness by light sensor 9. Continuously measures carbon dioxide, temperature and relative humidity 10. Self-calibratioin 11. Switchable display of large Time / CO2 12. Programmable alert reminder on low / high CO2 levels and RH% levels 13. Audible alarm for high CO2 alert 14. Temperature-RH% / Month-Date display 15. Manual calibration of CO2 16. NDIR lift time : minimum 5 years 17. Built-in ROM memory to keep settings and last memory 18. Wall-Mounting or desktop (with foldable back stand) 19. Power by external AC / DC adaptor 20. Battery backup by 2 x AA batteries (for time keeping) 21. Product size : 158 H x 370 W x 40 D mm 22. Display : 130 H x 340 W mm 23. Large digit : 107 mm height 

福州科陸貿易有限公司

Size:205x167x33.5mm - CO2 measuring range: 400~5000 PPM - CO2 level indicator: good (400~700 PPM)/normal(700~1000 PPM)/poor(1000~5000 PPM) - CO2 monitoring alert - Temperature range:-9.9°C-50°C - Humidity range:20%~95% - Max/min record of CO2, temperature &amp; humidity value - Time and calendar display, time alarm function - Power supply: 5V1A adaptor or 3 xAA batteries 

CO2 monitor

Suzhou TASI Electronics Co., Ltd.

 	 Detect Oxygen, Carbon dioxide, Hydrothion, Combustible Gas 	 Resolution 0.5% 	 Sound, light alarm  

4 in 1 Multi-Gas Monitor

Carrin Electronics Enterprise Ltd

1- Swiss made co2 sensor 2- CO2 accuracy: +/- (50ppm +5% of reading) at 400-2000ppm 3- 4 color indicator for CO2 levels 4- CO2 alert function 5- Past 24 hours CO2 history record 6- Time, date and day of week 7-Available for DCF, MSF, WWVB radio time signal 8- Temperature and humidity display 9- Wall mounted or table stand design     

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