---Automatically engages as soon as you place your car into reverse. ---Embeded "bi.bi." buzzer and Left/Right tri-color lamp ---2~8 pieces different color sensors is available ---Easy installation, the mirror simply clips over the top of your existing mirror ---Power(DC): +9~+16 V ---Operation temperature available: -35~+75 degrees ---Human speaking warning is optional ---Wireless version is optional:No need to run a wire from the front of the vehicle to the rear . ---Show distance by multi-functional ultra-thin VFD display,Bi Bi voice warning
Packing: 1.Color Box Size : 33.2 * 20 * 6.5 cm 2.Carton Box ( 10 sets ) : 67x34.7x21 cm