Features and functions
1. Connection with up to 40 call transmitters
2. With one fastening element, siren and light
3. The lamp will light up red or green, or blink blue:
4. red light: usual call;
5. blue light on and the siren (optional): emergency call;
6. green light: additional usual call (only available with the remote control transmitter);
Technical Parameters
1. Operating frequency: 433.92MHz
2. Working voltage: DC12V
3. Notification: Light and acoustic signal
4. Volume: Mute / Low: 90 ~95 dB / High: 105 ~110 dB
5. Capacity of button: up to 20 call buttons