Backup Battery
NI-HI AAA*6 battery(600mAH)
Radio Frequency
433MHz(±75KHz),PT2262 / 4.7MΩ
GSM Working Frequency
850/900/1800/1900 MHz
Siren Volume
120dB (The Default Beep Time is 180s when it alarms)
The Receiving Distance
Wireless Detector ≤100meters (Open Area).
Operating temperature
-10℃~+50℃