Feature:1. Parking Radar: The maximum effective range is 2.5 meters, automatically detect obstacles behind the car when reversing, automatically open, switch.2. Low Failure: Microcomputer intelligent control, accurate digital display of obstacle distance, patch motherboard, beautiful and neat, failure rate is less than 0.3%.3. Probe Design: 22mm probe concave design, not easy to accumulate water, unique design to effectively prevent ultrasonic detection to the ground and false alarm.4. Manufacture: Adopts high performance chip, faster and more accurate, anti interference cable, not affected by the original car signal, beer head design, easier to plug and insert.5. LED Display: Crescent shaped LED step by step display, with sound and high brightness distance prompt, not affected by rainy days, dark night environment.Specification:Item Type: Car Parking Sensor KitMaterial: ABSDisplay Type: LEDApplicable Model: CarPower Supply Voltage: 12V DCCurrent Consumption: 20mA-200mAMaximum Power: 2WWorking Frequency: 40KHzProbes: 4Alarm Prompt: EquippedDetection Distance: 0.3-2.5m/11.81-98.43in or 0.4-2.5m/15.75-98.43inAlarm Distance: 0.3-1.5m/11.81-59.06in or 0.4-1.5m/15.75-59.06inAlert Type: Digital band displayWorking Temperature: -30~70(°C)Alarm Volume: 70~85dB (at 30cm/11.81in)Display Size: Approx. 100x22x26mm/3.94x0.87x1.02inMain Machine Size: Approx. 105x60x22mm/4.13x2.36x0.87inProbe Size: Approx. 22x20mm/0.87x0.79in.Package List:1 x Host4 x Probe1 x Monitor1 x Hole Cutter1 x Power Cord1 x Manual2 x Double Sided Adhesive Sticker