•Working voltage: DC 9 V to 15 V
•Power consumption: MAX 1.5 W
•Alarm distance: 0 to 2.0 m
•Sensor diameter: 22 mm
•Alarm type: Buzzer (Bi Bi Bi...)
•FM power: 10 mW
•Alarm volume: 65 dB
•Alarm frequency: 1.6 to 2.0 m (mute), 1.1 to 1.5 m: 1 Hz (slow), 0.6 to 1.0 m: 3 Hz (normal), 0 to 0.4 m: 7 Hz (hurry)