1. High Quality Material: Memory saver cable is made of high quality ABS material, environmentally friendly, high toughness and . 2. Excellent Performance: Professional manufacturing, exquisite workmanship, high efficiency, stable performance and high reliability. 3. Function: Maintain the dashboard information, digital clock, acoustics, memory seats, ABS, anti skid system, power mirror. 4. Prevent Loss: Battery memory saver prevents information loss when disconnecting a vehicle's battery, more practical. 5. Simple Installation: The installation is simple, adopt battery clips, strong clamps to prevent falling off, convenient for using. Specification: Item Type: Emergency Power Supply Cable Material: ABS Fitment: Universal How to Use: Red clip plug to red,black clip plug to black, (reverse will be torched cars computers) After the red light on，insert the car OBD plug. Plug connection regular，which would make a noise. Change the storage battery with careful operations. packing list: 1 xEmergency Power Supply Cable Note: Please mind do not open the light or other using power device, and do not touch metal with the positive pole of accumulator, otherwise it will burn car OBD socket of the . After change the accumulator, loose the red clip firstif the sound still exist, then the replacement succeed, if not, then the might burned.By OBD diagnostic directly connected to the car computer, normal battery with a red light, after insert car OBD plug drops drops sound, with a 12V battery power supply, the absolute guarantee in battery car computer Settings don't lost memories.