3-in-1 functions: jump starter, air compressor and light. Strong ABS case with carrying handle. 12 AH jump-start system with an air compressor. Built-in 12V 12AH sealed lead acid rechargeable battery. 260 PSI air compressor, air pressure gauge, on/off switch. 600A peak current, 300A starting current, 12V 3.6W working light. One DC 12V output socket. Voltmeter display internal battery level, 12V 15A with automatic circuit overload protection. LED charging indicator. Included: AC/DC adapter and 12V DC power cord and valve adapters.