1+1：1 Transmitter + 1 Receiver
1+2：1 Transmitter + 2 Receivers
2+1：2 Transmitters + 1 Receiver
|
Specification |
|
|
Power Consumption (Transmitter) |
≤10mw |
|
Receiver Power |
AC220V 50HZ/60HZ |
|
Working Frequency |
315MHZ, 433MHZ, 868MHZ |
|
Volume |
25~110dB |
|
Battery in transmitter: |
12V/23A alkaline battery |
B20 Wireless Doorbell
- B20 doorbell is an ideal unit for easily installing a doorbell without the hassle of wiring.
- Simply plug the receiver to an AC outlet and mount the transmitter where needed and you are ready to go!
- B20 doorbell features 52 ringtones and four levels of volume to suit your needs.
Plug Types
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