This product is used to test the capacity of various batteries, discharge and age various power adapters, and detect the voltage, current, and other parameters of various DC power supplies. Display Type: Analog and Digital : ELECTRICAL Electrical parameters: Voltage measurement range under test voltage power supply mode:8~ 240V Voltage measurement range in voltage supply mode: 0 ~ 240V power supply voltage: 9-12V Measuring power range: 0 ~24000W (0 ~ 24 kW) Measuring current range: 0.1~ 100A Note: Random color, ' accept the specified color. Material: plastic colour: black Package Contents: 1 x 2.4 inch DC color screen voltmeter 1 x 2.54MM terminal temperature probe 1 x 100A shunt 1 x power supply cable 1 x 5PIN terminal cable (some accessories have random colors) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.