Extra heavy duty clamps with industrial grade 55 in. 2 AWG cables Master on/off switch shuts off power to clamps in storage Digital display for clear and accurate readings Rapid charge 2.4A USB output Impact resistant rubbder base prevents scratching Reverse polarity indication with alarm 150 PSI air compressor with digital pressure gauge 5-mode high intensity LED light 12VDC outlet to power accessories Fits Viking 1700 Peak Amp 12 Volt Jump Starter delivers up to 150% more cranking amps to jump-start weak or drained V8 gas engines and V6 diesel engines even in extreme weather conditions. Overcharge protection provides continuously charge without worry with over 20 hours of runtime on a single charge. Sealed lead acid battery.