Parking Sensor with3.5"TFT Display Standard Video Output for display 120°CMOS Camera With3.5" Mirror Display(can be used as the DVD display in the car) 4 insert-in ultrasonic sensors Buzzer When start reversing, the picture of the obstacle will be shown in the TFT display. PAL/NSC optional Detecting Distance: 0.4 -1.5M Operation Voltage: 10 -15V Max. Power Consumption: 4.0W Operation Temperature: -25 +60 Built-in Siren: 80dB