SpecificationCommunication Frequency: 433MHz
Modulation mode: Frequency
RF transmission distance: 800m (open area)
Tamper Switch: YES
Alarm sound pressure: ≧85dB (1m from the front)
Working Temperature: -10℃ ~ ＋55℃
Working Humidity: ≤95%RH
Dimensions (mm): Φ90*32
Weight (g): 111.5
