GSM/GPRS smoke detector

Features:

1. High sensitivity, high stability, long life smoke sensor.
2. With voice prompts and voice alarm function
3. GSM / GPRS network alarm, support SMS, the central network multi-channel alarm, to ensure stable and reliable alarm performance
4. Support SMS, center remote control and parameter settings
5. GPRS real-time online, to obtain the latest working status of the device at any time
Preset 5 groups of alarm phone numbers, can set SMS on/off

Specifications:

1. Working voltage: DC 5V (micro USB) DC 12V(through external terminal)
2. Battery:3*1.5V AA battery
3. Static current ?20mA
4. Alarm current: ?350mA 5. GSM bands:850/900/1800/1900MHZ
5. Alarm sound:>80db
6. Operating temperature:-0°C ~+50°C
7. Humidity range: < 95%RH (no freezing)
8. Low voltage alert:3.9V±0.3V