-Power requirement: DC10V~DC14.7V -Power consumption: 3.5W -Operating Temperature:-40?C+80?C -Storage Temperature:-30?C+85?C -Operating Humidity: UP to 95% -Maximum Detecting Range: 2.0M -Transmitting Frequency: 40 kHz -Buzzer Sound Pressure Level: 80dB at 10cm -Detecting Angle: Approx.Horizontal 90? -System Response: 0.2 sec -Novel digital LCD display -Packing details: 12pcs/CTN Means:38*28*43CM