Parking sensors for truck Features:1>This product adopts dual digital display, the distance between front and rear obstacles of the car Independent display2>Products with four sounds (voice/buzzer/mute/voice+buzzer), cro exchange 3>With 7 adjustable volume display4>Can display the direction of 4 obstacles independently5>All-weather design, anti-wind, anti-sand, anti-fog, anti-frost, anti-icing, anti-snow, anti-rain Sensor system to enhance coverage and detection capabilities. 6>Sound alarm: heartbeat type, the latest alarm is faster Product parameter1>Digital LCD display (numbers and indicator lights). Help improve the safety of paengers, Pedestrians and family members who happen to be around a moving vehicle2>Rated working range: 9V-36V DC3>Rated current: 100mA-300mA4> Ultrasonic frequency: 40KHz5>Control module operating temperature: -30-80 degrees Celsius6>Display working temperature: -20-70 degrees Celsius7>Installation method: plug-in Product List:1: Monitor *12: 51 ft Monitor connection line*13: Control box*14: Sensor *45: 19.6ft sensor line *45: Manual*16: screws *87: Power line*1 1:The distance behind the obstacle behind the car 2:The distance between the two sensors in the middle of the vehicle detects the obstacle 3:The distance to the right obstacle behind the car 4:The distance behind the nearest obstacle A:Volume up button B:Sound switch button, you can switch four kinds of alarm sound: mute, buzz, voice, buzz + voice C:Volume down button Display size:9.5*6*3.5 (cm) The display and sensor adopt a separate interface design, which is convenient for installation and maintenance The sensor uses a flat double-angle design, which features: high sensitivity, stability, waterproof, dustproof, beautiful, anti-false alarm If you install a parking sensor, this situation can be avoided