[As shown D]

[As shown E]

Press the button and the kinetic energy is converted into electrical energy. Dont worry about the battery running out of power
Press different buttons, and the receiver will emit different melodies. It is convenient to know which door has visitors coming
Very eye-catching lights, very suitable for the elderly or deaf-mute
The actual use distance is suitable for most families
rich melodies, giving the family a more beautiful environment

1. 38 ringtones to choose from and 4-step volume control (0~85dB)

2. Eye-catching backlight flashes when someone pushes the doorbell. Particularly suitable for the elderly, deaf, and pregnant women

3. Uses machine-learning to prevent interference from other transmitters

4. Working frequency: 433 MHz

5. Receiving distance: 300M(in area)

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

7. The transmitter 12V23A battery factory pre-installed (battery not include

The package includes:
1 Button 1 Receiver
(Excluding other exhibits)

1. Due to measurement, please allow an error of 1-3 cm.
2. Due to different computer screens and monitors, the actual color may be slightly different from the picture.
Thank you for your understanding!
Scope of application: family business residential areas, office buildings, hospitals, restaurants, factories and other places.