Sound-light Fire Alarm Warning Strobe Horn Alert Safety System Sensor Main-Computer & Networking Transmission frequency: 433MHZ

Transmission frequency: 433MHZ

Support audio and video synchronization output

environmentally friendly PVC material

Speaker ringer buzzer for Huawei Nova 5

There are multiple drainage holes on the back of the keyboard to effectively discharge liquid and splash

Sound-light Fire Alarm Warning Strobe Horn Alert Safety System Sensor Main-Computer & Networking Transmission frequency: 433MHZ1. The sound light fire alarm apparatus are one kind terminal device for alarm, it is fit for the sound & light alarm when the fire happens. 2. Suitable to be used in office, hotel, restaurant and so on. 3. Selects two or the four wire system wiring method, the main line end receives two main lines, not polarization, power source termination to DC24V power line. 4. Built in LEDs, super bright when send out alarm signal, effectively remind people flee