Vender 8 In 1 Multifunction USB Detector Voltmeter Ammeter Voltage Meter Current Power Tester KWS-V20 B7N5 al mejor precio

KWS-V20 Size: Length 59mm (with USB7 3mm) *Width 23mm*Height 13.5mm Voltage: input/output voltage: 3-9V, voltage resolution: 0. 01V Current: input/output current: 0-3A, current resolution: 0.01A Accuracy: plus or minus 1% Line loss: about 0.1 ohm Weight: 20g Introduction IN-input terminal is connected to the output port of the charger RTZ-clear key, the screen display will be cleared after 3-5 seconds OUT- The USB port where the output terminal is connected to the data line Input voltage display window (3-9V) accuracy +-1% Charging current display window (0-3A) accuracy +1% Battery capacity display window (0-99999mAh) Working time display window (0-99H) in minutes Working time and empty capacity display after power off, memory function KWS-V21 Size: length 59mm (with USB7 3mm) * width 23m * height 13. Sm Voltage: input/output voltage: 4-20V, voltage resolution: 0. 01V Current: input/output current: 0-3A, current resolution: 0. 01A Accuracy: plus or minus 1% Line loss: about 0.1 ohm Weight: 20g Introduction IN-input terminal is connected to the output port of the charger RESET- reset button, the screen display will be reset after 3-5 seconds OUT- The USB port where the output terminal is connected to the data line Input voltage display window (4-20V) accuracy +-1% Charging current display window (0-3A) Accuracy +-1% Battery capacity display window (0-99999mAh) Working time display window (0-99H) in minutes Working time and empty capacity display after power off, memory function The package includes: 1*Voltmeter if you want buy more than we listed, please contact us. There are so many useful and cheap item in our store. You can contact with us to get more detail of the goods . We are professional Shopee seller.