Description:  Input interface / output interface: 100A large current occluding screw column.  Voltage measurement range: 0.00V~200V, Resolution accuracy: 0.01V.  Current measurement range: 0.00A~20A,Resolution accuracy: 0.01A.  Capacity accumulation range: 0~999.999Ah, Resolution accuracy: 0.01Ah.  Cumulative power range: 0~9999.9Wh, Resolution accuracy: 0.01Wh.  Power measurement range: 0000.00~150/180 W, Resolution accuracy: 0.01W.  Impedance measurement range: 1~999.9Ohm, Resolution accuracy: 0.01Ohm.  Temperature measurement range: 0~99 degrees Celsius, 0~99 degrees Celsius, Resolution accuracy: 1 degrees Celsius.  Maximum time: 999 hours, 59 minutes, 59 seconds,  Resolution accuracy: 1 second.  Timing measurement reminder settings: countdown, 24 hours arbitrary settings.  Small current standby warning threshold parameters and timing: 0.5W began clocking.  The DC voltage of the 4~30V range supplies power to the measuring system.  Refresh time: >500mS/ times > 500mS/ times.  Measuring speed: about 0.5 times per second.  Overvoltage and overcurrent setting alarm mode: display alarm interface to remind users.  Overpressure warning setting: 1~200V.  Low voltage reminder setting: 0~190V.  Overflow reminder setting: 0.2~100A.  Display type: micro power LCD module, LCM black font, green backlit Chinese and English display.  Product size: 156mm*96mm*58mm.  Operating temperature: -10~+60 degrees Celsius, -10~+60 degrees Celsius.  Working humidity: 10~80 (no doubt) 10~80 (no doubt).  Working pressure: 80~106kPa.  Note: Exceeding the specified power will burn the product.     Package included:  1 x 150W/180W Digital Battery Capacity Tester Voltmeter