KWS-V21 QC2.0 USB Current Voltage Tester Charge Detector, Multimeter, Power Capacity Meter

KWS-V21 QC2.0 USB Current Voltage Tester is a multimeter designed for measuring voltage and current in USB devices. It displays charging status, voltage, current, time, and capacity on an LCD screen.

• Product type: Current & Voltage Tester
• Compatibility: USB devices
• Key feature: LCD display of voltage and current
• Intended use: Everyday use
• Voltage range: 3.5-20V
• Resolution: 0.01V, 0.01A, 1mAh
• Data storage: Automatic when power is off
• Reset: Press reset for about 3 seconds
• Plug and play: No battery, no on/off switch
• Supports QC2.0 fast charging
• Can detect chargers for car, mobile power, desktop PC, tablet, laptop, mobile phone, charger