Specification

Power Supply:        DC 12V 500 mA
Backup Battery:            18650 3.7V 1200 mAh rechargeable lithium battery
Maximum Alarm Current <          350 mA
Static Current <           200 mA
Wireless Receiving Distance:       80 m (in open area)
Operation Condition Temperature:         -10°C ~ +55°C
Relative Humidity <          80% (non-condensing)
Maximum Siren Volume:     105 dB
Battery Standby Time : around 44h
Radio Frequency:    315 MHz or 433,92 MHz (± 75 KHz)
Housing Material:　  PC+ABS plastic
Dimensions (L×W×H): 162 x 182 x 65 mm