Quantity: 1 - Function: LED electromagnetic back-up parking sensor - Detecting Distance: 0~0.8 meters - Monitor Type: LED - Monitor Size: 1.5" - Working Voltage: 12V - Rated Current: 30mA - Alarm Volume: 60dB - Working Temperature: -30'C~80'C - Easy to install inside the bumper - Improves parking safety - Minimize bumper damage - Indicates object distance with different beeping frequencies - Easy and concealed "inside bumper" installation of the "antenna" - Peel and stick "antenna" foil tape sensor for vehicles with non-metal bumper - Electromagnetic field changes as object get closer to the bumper - Wires to reverse lamp - High output Piezo buzzer alerts you with a beeping sound -Packing List: - 1 x Sensor (50cm-cable) - 1 x LED monitor (480cm-cable) - 1 x Antenna (230cm-cable) - 1 x Pack of accessories - 1 x English user manual