Are you looking for a set of professional, yet affordable car alarm system? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional car alarm system must meet you needs. It is one of the best choices for you. Specification - Main Engine Technical Reference:- Working Voltage: DC12V±4V.- Static Current: 9ma.- Working Frequency: 433.92MHZ.- Technical Reference:- Static Current: 0mA.- Transmitting power: <10mW.- Emission Current: <10mA.- Working Voltage: 6V.- Horn Technical Reference:- Working Frequency: DC12V±2V.- Speaker DB: 85Db.- Horn Black Line: Negative Pole (for car).- Horn Red Line: The positive pole is connected to the alarm host.- Vibration Inductor Technical Reference:- Working Voltage: DC12V±2V.- Static Current: 8mA.- Working Current: 20mA. Features - Color: Black.- Material: ABS.- Packing Size: About 18.5x12x9.5cm/7.28x4.72x3.74 inch.- and high quality.- Come with for easy control.- If the door is opened, or the foot brake is ON, the alarm will be triggered.- Door closing/door opening reminder can be set.- Suitable for all 12V in common use.- 9 programmable modes to choose from.Packing list: 1 x vibration inductor1 x flame-out relay1 x alarm machine1 x horn (15 w)2 x remote control1 x indicate light line1 x main line1 x vibrator link line1 x flameout line kit1 x box1 x specification