Battery-Free Wireless Doorbell

Features

• Require no batteries, can’t cause the water and soil pollution.
• The doorbell transmitter is embedded with micro generator which can create energy when press. No battery inside. Energy saving
• Wireless
• Never change batteries, more convenient. No need to change the battery frequently, save money, and eco-friendly.
• Signal passes through doors, walls and floors. Transmission range is up to 150 meters in the open air. The volume is big enough; you can hear it in any room.
• 38 chime sounds, built-in amplifier, good sound quality makes it pleasant to hear.
• Easy installation, the transmitters can be mounted with screws or double faced tape. The receivers plugs into any standard wall outlet.

Specification

• Plug Type: UK\US\EU
• Voltage: AC100~230V 50/60Hz
• Transmitter Operating Temperature: -10℃ to +45℃
• Receiver Operating Temperature: -10℃ to +45℃
• Transmitter Dimensions: 80x50x128mm
• Transmitter Weight: 52 g
• Receiver Dimensions: 95x53x50mm
• Receiver Weight: 56 g
• Chime sound: 38 melodies.,