1. Smoke intelligent algorithm
2. High sensitivity, zero false alarm, strong anti-interference
3. With voice prompts and voice alarms functions 4,GSM/GPRS intranet alarm system, support multi-channel alarm, like SMS, central internet, Wi-Fi, 433mlz, NB-LOT etc,to ensure that the alarm is stable and reliable
4. Support SMS, central remote control and parameter settings
5. GPRS is real-time online to get the latest working status of the device at any time
6. Up to 5 groups preset alarm calls, which can be set together with its SMS switch respectively
7.Power: DC9V laminated battery (6F22/9V)
8.Quiescent current: <10uA
9.Alarm current : <100mA
10.Transmitting distance: about 100m (open distance)
11.Operating temperature: 0 Celsius Degrees to + 50 Celsius Degrees
12.Relative humidity: about 95% RH, no condensation
13.Alarming sound: >80dB