DC9V Battery Site Alarm with 120 dB/M

Standalone Fire Alarm (iDo901)
The fire alarm can separate alarm, also can achieve a group of alarm or stop alarm at the same time. It can choose wired or wireless mode through DIP Switch, also can install two buzzers that the pressure more than 120dB/m. The power supply with 6X9V batteries, low power consumption design, voltage detection, remind replace batteries when battery's voltage is insufficient. The installation is simple and convenient.
Main Features:
1. Stand alone fire alarm, Can alarm/disalarm at the same time in group/separate
2. Wired/Wireless type optional in group
3. Push the alarm button to make the alarm sound
4. Twist and release the button to silence the alarm
5. DIP Switch to set the wireless ID in group
6. Easy installation
Technical Specifications:
1. Power: DC9V (6 X EXCELL Alkaline 6LR61 9V batteries);
2. Standby current: < 400 uA;
3. Alarm current: < 80mA@DC 9V;
4. Wireless frequency: 433.92 MHz for wireless type;
5. SPL: > 120 dB/m
6. Voice frequency: 500-8000 Hz