79GHz Millimeter-wave Radar Parking Assistance system Power Supply: 6V to 36V Detection Range: 0.1-5m Voice Warning: Optional Power Consumption: Less than 0.9 Watt (average) Dimensions: (LxWxH) 45mm x 39mm x 34.8mm Weight 18g Operating Temperature: -40C to 85C Operating Humidity: 10% to 90% (Non-condensing) Storage Humidity: 0% to 95% (Non-condensing) Frequency Range: 77 GHz to 81 GHz Signal Range: 20 cm to 500 cm Waterproof:IP67 FOV (Horizontal): 130 FOV (Vertical): 50(10 default tilt upwards) Cable Length (Master-Slave): M-197 cm / S-147 cm Cable Length (Slave-Buzzer): 150 cm Cable Length (Slave-BCR): 120 cm Suitable for:Car,Bus,Stacker,Tuck,Excavator,Forklift and so on