This 12V power pack is fitted with a compressor, work light and 12V DC socket and USB sockets The Draper 90643 12V power pack is designed for starting petrol and diesel engines with flat batteries. This jump starter will also supply 12V DC to power 12V electrical devices from the inbuilt 12V DC output socket. It is fitted with an LED work light for use in dark areas, a built-in compressor and each power pack is also attached with a battery voltage meter. It also has a power take-off for USB charging. Features: Fitted with a LED work light for use in dark environments and a built-in compressor Power Pack/booster fitted with compressor, work light and 12V DC socket and USB socket Designed for starting petrol and diesel engines with flat batteries, whilst also supplying 12V DC to power 12V electrical devices from the inbuilt 12V DC output socket Each power pack is also attached with a battery voltage meter, polarity indicator, USB output, air pressure gauge, air compressor accessories compartment, negative and positive clamps Specification: Voltage: 12V Battery: 17Ah Weight: 7.8kg Peak current: 900A Starting current: 400A