- No UL rating. 5 to 24V DC Working voltage.
- Alarm Siren With 2.1 x 5.5mm Female Socket. It come with a male connector. So you can wire or Plug-In Socket.
- 7 different tones, you can press the button and choose one of them as you like.
- Ultra-loud sound, alarm volume is 120dB@12V DC
- Built-in 8 LEDs, it will Soun&flash when the siren connect to 5V 9V 12V 24V DC power. It’s great for Fire Alarm, Panic, Pager, SOS, Call Point.