★4 in 1:Jump starter/LED worklight/Air compressor/USB port
★12V17AH lead acid battery
★ON/OFF safety switch
★Overload/overcharging/ Output/short circuit protection
★9pcs LED worklight (2W)
★250PSI or 300PSI air compressor
★1 DC 12V output socket,1pc 5V 1.2A USB,
★Reverse polarity indicator
★LED indicate the battery condition
★included AC/DC charging adaptor