Waterproof Home Wireless Doorbell 300M Long Range smart By Bell Chime battery 1 button 2 receiver

1. Easily select volume and music, smart design

2. Self-learning code function:choose your favorite music. Then Pairing method: New style pairing method: Hold down the music key for 5 seconds,(old style pairing method: press and hold the volume key for 5 seconds.) When you hear the dingdong and see the lights flash, immediately press the button, the signal is paired successfully. You can try 2 methods.

3. Compatible with 12V23A alkaline battery(NOT include battery)

4. Receiving distance: 300 M (in open area)

5. Volume: 3 files(can be mute) 0-110db, ringtones: 36 pcs

6. Transmitter size:75X51X20MM.

7.Receiver size:95X65X24MM.

8. Receivers Rated voltage : AC 110V-220V -240V.

9.Working frequency: 433MHZ,can be customized other frequencie.

10.The use of microprocessor control, double-sided PCB micro-power design.

11.Buttons can set different music for distinguishing front and rear doors