1、Battery Saving and Protection: The power battery switch prevents any current from being drawn from the battery when the car is parked for a long time; The switch safely disconnects the battery and extends battery life. 2、Ignition Protection: The switch has a crank rating, can withstand 900A for 30 seconds, 500A for 5 minutes and 300A can withstand continuously, preventing current fluctuations during ignition. 3、On Off Knob Design: The switch design is easy to understand and operate, just turn the knob to the on or off position, suitable for people of any age, very practical. 4、Durable Material: The switch housing is mainly made of ABS, which is high strength, wear resistant and scratch resistant, not easy to break, and can be used for a long time. 5、Installation Tips: The enclosure design allows for front or rear panel mounting, screws are included for easy installation on your DC system, installation is very simple and does not require complex tools.