Self generating power wireless doorbell 200m long distance with 36 ringtones and 4 level adjustable volume
Price: $4.72
1. Operating Frequency: 433.92MHZ;
2. Plug: US, UK, EU;
3. Host receiver power supply: AC85V~260V;
4. Transmitter: self-generating power without battery;
5. 36 ring tones choices, 4 level adjustable volume;
6. Transmission distance: 200M in a open air place;
7. IP grade: IP47;
8. Ring mode: ringtone+ flash light;
9: Memory Function: remember your previous ringtone and volume level;