The speed alarm device is a speed audible alarm system installed in the speedometer to ensure the safety of the vehicle. If the vehicle speed reaches or exceeds a limited speed (eg 100km/h), the speedometer in the speedometer makes the buzzer circuit Turn on, sound alarm.
Plum Wrench,Ring Wrench,Double Ring Wrench
Porta Power Jack Co., Ltd. , http://www.zjtransmissionjack.com