8 in1DC4-30V Electrical Power USB Capacity Voltage Tester Current Meter Monitor Voltmeter Ammeter-Black

8 in1 Description 1 Voltage DC4 30V2 Current 0 5A3 Time 0 99hours4 Power 0 150W5 Capacity 0 99999mAh6 Electical energy 0 999 999Wh7 Packet data 1 9group8 temperature9 Setup Key10 Shell Color Black Easy to use Click the button once check save packet data Time Wh mAh Long press button for 3 seconds to clear the current single set of saved data Time Wh mAh Package included 1 x Electrical Power USB Capacity Voltage Tester