... /ECU/buzzer/buzzer cable/power cable Rated Voltage: DC12V Buzzer Sound Pressure Level: >80dB Features:-Multimedia TFT displays indicate distances ... the obstacle, the faster the beep frequency,-Rated Voltage: DC12V,-Operating Temperature: -40°C to +85°C,-Max Detect ... Range: 1.5m/Custom-made,-Transmitting Frequency: 40kHZ,-Buzzer Sound Pressure Level: >80dB,-Detect Angle: Horizontal 120°, Vertical ...