Product Parameters: Input Interface / Output Interface: 100A High Current Bite Screw Stud 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 Power accumulation range: 0 ~ 9999.9Wh, resolution accuracy: 0.01Wh Power measurement range: 0000.00 ~ 150W, resolution accuracy: 0.01W Impedance measurement range: 1 ~ 999.9 Europe, resolution accuracy: 0.01 Europe Temperature measurement range: 0 ~ 99 ℃, resolution accuracy: 1 ℃ Timing maximum time: 999 hours 59 minutes 59 seconds, resolution accuracy: 1 second Refresh time: > 500mS / times Measurement rate: about 0.5 times / sec Overvoltage overcurrent set the alarm mode: show alert interface to remind the user Overpressure reminder setting range: 1 ~ 200V Low voltage reminder setting range: 0 ~ 190V Overflow reminder set range: 0.2 ~ 100A Product size: 156mm * 96mm * 58mm Operating temperature: -10 ~ +60 ℃ Working humidity: 10 ~ 80 (no doubt) Working pressure: 80 ~ 106kPa Product Dimensions : 6.14 x 3.78 x 2.28 inches; 0.63 Ounces Note: 1.Exceeding the specified power will burn the product. 2.The USB function of this load meter is to connect the trigger equipment 3.The current cannot be adjusted via USB, and it is adjusted by the knob on the load meter Package Content： -1 * 150W USB Adjustable Constant Current Load Tester -1* Instruction Manual