★4 in 1:Jump starter/LED worklight/Air compressor/USB port

★12V 17AH lead acid battery

★ON/OFF safety switch

★safety switch, overload protection, overcharging protection

★Power output: 900Amps peak / 400Amps starting

★LED worklight

★250PSI or 300PSI air compressor

★1 DC 12V output socket,1*5V USB,

★Reverse polarity indicator

★LED indicate the battery condition

★included AC/DC charging adaptor