... gas ,more than 150km /h can be alarm ;alarm distance for less than 1km ;5.Dose ... not destroy the original car lines,line-free cutting,stable performance and reliable 6.Extend ... system installation ends, replacement tyres, tire transposition. Alarm status explanation: 1, The course of driving, ... not light corresponding ipsilateral tires. 2, Alarm, buzzer has alarm prompt driver, if must be closed buzzer ...