... the safety p features1,Water and Vibration Proofed2,Input reverse polarity protection3,Water Proofed Fuse4,No Arc5,Short Circuit6, ... Superheating Cutback7,Reverse Polarity improve the safety performance of your car the DC/DC converter applies ... is over 65°C, ensure the continuous power for your car.Reverse Polarity: Electronic protection, auto-reset.Input Low Protection: Shut ...