Receiver Power supply： AC 100-240V ,
Transmitter power supply: 23A 12V Battery.
Power Plug: Europe Plug ( 2 round pins as photo)
Melody: 60 songs.
Volume: 5 levels adjustable from 0DB to 110DB.
Water Proof: Yes
Working range: 200 meters in open area.
RF Frequency: 433MHZ
LED Light: blinks when the doorbell rings.
Applicable temperature:-30 Celsius to 60 Celsius
* Indoor receiver
* Outdoor transmitter button
* 23A 12V battery
* English user manual
* Double-sided adhesive tape
How to setup the doorbell.
1. Pair the transmitter with the receiver:
Press and hold down the volume button on the receiver for about 5 seconds (the LED light is on), release the volume button and press the transmitter button immediately.
2. Change the music.
Press the music key to choose your favorite song,hold down the volume button for about 5 seconds, the LED lights on, release the volume button and press the transmitter button immediately.