Feature: 100% Discrete! No visible parts, so only you will know it is fitted. Automatically beeps if you get to close to an object. Detects people, vehicles, small & high kerbs, garage doors, pillars, posts, walls, fences, barriers, skips, etc. Scans & Protects full length of bumper even onto sides unlike ultrasonic's. Allows you to get close (10cm) to an object. Great for tight parking spaces. No-Drill, No-Damage! Fitted without drilling bumper unlike ultrasonic type parking sensors. 100% accurate, reliable and responsive in all parking situations and weather conditions. No Paint Required! Unlike ultrasonic type sensors. 2.7 Metre Adhesive antenna mounts on inner side of bumper and can be cut to fit any size of bumper. 100% Compatible with both conventional and the latest CAN Bus multiplex wiring systems. 3 Audible Tones alert you of your proximity in relation to surrounding objects.EPS Vision also has a display. Easy 3 wire installation. Compatible with vehicles that have a tow bar fitted or spare wheel fixed to rear door. Fits all vehicles with a plastic bumper including Cars, 4x4, MPV, SUV, Van, Vehicles, Motor homes. Best for Rental and Leasing companies as no bumper adjustments are required. Specification: Rated voltage: 12V. Main module size: 5.8cm x 3.5cm x 1.7cm - 2.3inch x 1.4inch x 0.7inch. Alarm horn size: 4.8cm x 3cm x 1.5cm - 1.9inch x 1.2inch x 0.6inch. Type: Invisible includes:1 x Main Module 1 x Alarm Horn 1 x Sensor Antenna 1 x Grommet