Package included:
1x Electromagnetic Reverse Radar
1x Alarm Horn
1x Sensor Antenna
1x Set of tool
1x English Instructions

Feature:
Name:Electromagnetic sensor
Material:Plastic
Automatically beeps to alert near-by objects
Detects people, vehicles, small & high kerbs, garage doors, pillars, posts, walls, fences, barriers, skips, etc
Improves parking safety
Minimize bumper damage
Indicates object distance with different beeping frequencies
Easy and concealed "inside bumper" installation
LED display Alarm Horn

Specifications:
1.Peel and Stick foil tape sensor for vehicles with non-metal bumper
2.Electromagnetic field changes as object get closer to the bumper
3.Wires to "Reverse Lamp" (12 Volts DC)
4.Size: Main Module: 5.8 x 3.4 x 1.7 cm,Cable length:52cm
Alarm Horn: Approx 7 x 2.5 x 2.5 cm,Cable length:about 400cm

Installation:
To safety test,the vehicle's engine MUST BE OFF and the parking brake must be engaged.
1.Turn the vehicle's ignition key to the ON position,but do not start the engine.
2.Place the vehicle's transmission in reverse gear.
3.Stand about 6 feet away from the bumper and slowly approach the vehicle.
4.At distance from 27.5 to 15.75 inches,you will hear a fast beep.At distance from 15.75 to 8.0 inches, you will hear a continuous beep.