U air compresor/battery/auto jump starter

jump starter , auto jump starter , car jump starter , jump starter ,auto jump starter , automotive jump starter ,auto ju jump starter , auto jump starter , car jump starter , jump starter ,auto jump starter , automotive jump starter1) 3in1:  jump starter /air compressor/worklightand Folding triangular warning board in the back2) Power output: 900A peak / 400A starting3) 12V 17AH battery, Overload Protection4) Output Socket: 12V DC5) Air compressor: 300PSI Max6) 3W*2 Work light7) AC/DC charger8)LED Volt instruction9)overload Protection10)packing:40*35*24(2pcs)