Triple acoustic alerting mode:MUTE-LOW-HIGH
Number of sensor: 4 sensors
Beeping alert:BI BI BI
Operating voltage:10.8-15V
Max. Consumption:2W
Operating temperature:-40C ~ +80C
Buzzer volume:<>80db
Max. detection distance (Suppose the detection target is a flat wall area):2.0M
Human body detection distance:1.2-1.5M