Allows removal of vehicle batteries without losing memories or settings for ICE systems, digital clocks, trip computers from the ECU (engine control unit). Uses 16 pin plug with reverse polarity protection. Supplied with 2.7m (approx.) of cable with crocodile clips for attachment to slave battery and in-line fuse. Features and BenefitsAllows removal of vehicle batteries without losing memories or settings for ICE systems, digital clocks, trip computers from the ECUUses 16 pin plug with reverse polarity protectionSupplied with 2.7m (approx.) of cable with crocodile clips for attachment to slave battery and in-line fuse Contents 1 x EOBD Memory Saver