What is high pressure protection: In order to prevent excessive voltage burned the other vehicle equipment and the owners of the vehicle failure, when a car failure in the power supply and the battery voltage is higher than 16V, ballasts to automatically shut down and stop working.

What is the output short circuit, open circuit protection: when the accident occurs or short circuit, open circuit, ballast and immediately cut off the circuit to prevent risk of electric shock or detonation of the fuel tank to ensure life and property safety.

What is reverse protection: when the power of the "+" and "-" polarity reversed when ballast does not suffer damage, ensure the safety of ballast.