KWS-V21 USB Detector Voltmeter Ammeter Power Capacity Tester Meter Voltage Current Mobile Power

Features:

• 100% brand new and high quality!
• This is a mini USB meter. It can measure voltage, current, power and capacity.
• Simultaneous display of voltage and current data, easy to view.
• Can detect a variety of power supply output voltage and current.
• Durable and safety.
• Small size and lightweight, easy to carry.
• Calculating the capacity and efficiency of mobile phone battery power bank.
• Voltage:4-20V
• Current:0-3A

Package included:
1 x Power Capacity Tester