1.anti Short Connection Protection:connect The Red Clip With The Black Clip When The Power Is On,no Damage 2.anti Over-discharge Protection:low Voltage Start,led Flash At The Frequency Of 1hz If The Voltage Is Below 10.5v 3.anti-reverse Charge Protection:after The Car Is Started,anti-reverse Charge Current Is Less Than 1a 4.anti Reverse Polarity Protection:reverse Connection With The Negative And Positive End Of The Clamp And Battery Terminal,no Damage 5.anti High Temperature Start:when The Temperature Of The Jump Is Higher Than 80 Centigrade,the Smart Cable Prevent The Current Flow,to Protect The Jump Instruction: 1.connect The Red And Black Battery Clips To The Positive And Negative Of Car Battery. 2.insert Plug Of Battery Clips Into Start Outlet Of Start Power. 3.turn Auto Key To Start Shift To Start Auto. 4.if The Auto Can Not Be Started, Turn The Key After Several Seconds Until It Is Started Successfully. 5.afterwards, Pull Storage Battery Plug From Start Power Supply And Remove Clip From Auto Bat