Display: 3.5inch digital TFT LCD screen Aspect ratio:4:3 Resolution:320RGBX240Pixels Video Input:2 way video Can be connected with the camera and parking sensors 2,4 sensors for option Step-up buzzer alarm, Audible Alarm Yes No. of Rear Sensors 4 Operates in Reverse Drive Yes Distance Range - Rear (m) 0.4m ~2m Alarm volume ≥ 70dB Ultrasonic Frequency (KHz) 0.433 Operating Voltage (V) DC12V Operation temperature(℃) 30'C~+80'
