Features: Composite hi-vis green case with moulded rubber protection, integral battery cable storage and carry handle. LED Battery condition, polarity check, with audible warning if polarity is reversed, and charge indicators. Features independent on/off switch which allows the positive clamp to be connected without the risk of sparking and an integral LED work light for use at night. Fitted with two 12V power sockets that will accept any 12V device fitted with a vehicle accessory socket plug. Also features a USB outlet (5V/1A). Specifications: Model No: RS1312HV. Cold Cranking Amps: 400A. Peak Amps: 900A. Voltage: 12V. Auxiliary Output: USB - 5V/1A, 2 x 12V Port. Cable & Clamp Length: 725mm. Weight: 6.6kg.