Feature: Short circuit, over-charge, and over-heat protection,very safe. After fully charged one ti
me, can keep about months.Noraml use can keep 3-5years. Start car at one time on cold & hot areas.
ery connvenient.can be charge at home(100-240V) and car.Normally use 3hours for full charge. By usi
T monitor. With 2 video input: white video cable connects to car rearview camera, yellow one to oth
nics like car cleaner. Safety hammer for knock glass when meet emergency. How to use: Connect red c