Take the guesswork out of reversing. This Car LED Parking Sensor Kit uses four high-sensitivity ultrasonic sensors to detect obstacles and gives you real-time distance readings on an LED display, backed by audible alerts that get faster as you get closer. Benefits Avoid costly bumper and paint damage while reversing or parking tight See exact distance to obstacles instead of guessing Paintable sensors blend in with your car's color Features 4 high-sensitivity ultrasonic sensors, 40KHz frequency LED display shows real-time obstacle distance Audible alerts increase in frequency as you approach obstacles Detects obstacles from 0-2.5m away Works with any 12V vehicle (9-16V operating range) Weatherproof sensors rated for -30 to 80°C Includes hole saw for straightforward installation Why Customers Love It Installation is simple: drill the sensor holes with the included hole saw, connect the sensors to the control box, wire up the LED display, then connect to your 12V power supply. A full manual walks you through every step. Specifications Rated Voltage 12V Operating Voltage Range 9-16V Detecting Distance 0-2.5m Ultrasonic Frequency 40KHz Working Temperature -30 to 80°C Package Includes 4x Parking Sensors (color per variant selected) 1x LED Display 1x Control Box 1x Hole Saw Wiring & user manual