Wireless Self-powered Doorbell, no battery required with receiving & transmitting panel #T10 433MHz

Product Feature: 

1. Adopt self-powered technology, no need battery, pressing transmitter to produce power, energy saving;2. Unique sliding button, full of technological sense;

3. Simple design,elegant appearance and high quality;

4. 58 melodies for free option,loud and clear sound;

5. Original advanced IC with standby technology, super low power consumption.

6. Digital intelligent learning code,simply set up pairing;

7. Stable working,strong penetration,made by high advanced SMT machine;

8. Advanced intelligent power management IC circuit, more safety;

9. Patented ID design.