Material:Alarm-ABS
Remote controller-Metal drawing effect
Battery: Alarm: 2pcs AAA alkaline batteries (not contain)
Remote controller: 1pcs 12V27A alkaline battery.
Alarm volume: 108dB (testing at 30cm distance)
Communication frequency:433mhz (Low interference)
Work Temperature: -10℃-60℃
Storage Temperature: -20°℃-70°℃