China factory battery-free smart wireless doorbell

Wireless doorbell Overview

The SimpleLink Battery-Free Wireless Doorbell is a breakthrough high quality technology product.
Based on radio frequency and energy harvesting technology, battery-free wireless doorbell transmitter doesn’t need external power supply nor embedded battery to control the receiver, easy use and installation. When press the button, the mechanical energy will automatically convert into electrical energy. Meanwhile, the transmitter will send out a radio signal to control the receiver.

Wireless doorbell specification:

Wireless doorbell Selling point

1. Transmitter Maintenance-Free(No batteries required-powered by your touch)
2. Fast, simple installation: No wire, no battery, no hassle
3. No interference and Waterproof
4. Freedom to place transmitter anywhere—on the wall near your door or other place
5. Energy Saving—standby power<0.1W, save money for you.

1. No Battery, how it works?

When press the switch, mechanical energy convert into electric energy, to send out a radio signal to the receiver and then to control the lights On/Off.

2. What is the control distance?

Normally our standard device control distance is 20M~30M, through the wall available.
If you need longer distance, please contact us for customized design.

3. Do you supply switches with 868 or 915MHz bands?

Yes, currently the most common one used in our switches is 433MHz,While we can also customize other bands(like 868/915MHz bands) according to your special demands.

China factory battery-free smart wireless doorbell