Features:Professional car parking radar system for your beloved car.4 parking sensors， advanced chipset for enhanced coverage and detection， detecting distance: 0.3~2.5m.2 sides， three color (red， blue， yellow) LED， shows distances as well as orientation of the obstacle.With BiBi sound reminder， the closer the obstacles is， the louder and faster the sound alert.High quality， easy installation and operation.Detect small children and low walls as well.Anti-freeze and rain proof.Help to prevent dangerous and costly collisions， increased safety for passengers， pedestrians and family members who happen to be around the moving vehicle.Specifications:Color: BlackRated voltage: 12VOperation voltage range: 9~16VRated current: 20~200mADetecting distance: 0.3~2.5mUltrasonic frequency: 40KHzWorking temperature: -30~70 degree CelsiusMain control box size: 10.5*7*2.5cm / 4.2*2.8*1inPackage size: 22*18*5cm / 8.7*7.1*2inPackage weight: 447g / 1.58ozPackage includes:1 * Main Control Box1 * LED Display4 * Sensors1 * Power Cable1 * Hole Saw1 * Double Side Sticker1 * User Manual (English)