... √√Input impedance for DCvoltage measurementAround 10MΩ√√Sleep mode √√Low battery display √√Display backlight √√USB √√DMM Max. display3999√√Power1.5V battery (R6)x4LCD size60x60mmDimensions ... (WxHxD)200x100x48mmWeight0.5kgStandard accessoriesTest lead, battery, manual, alligator clip, USB interface cable, software,carrying bag (SMM81B), power adaptor (SMM81B)Optional ...