Voltmeter, ampermeter USB, 4V -20V, 3A

Overview

This is the mini USB meter. It can measure voltage, current, power and capacity.
It can clearly display all the data.
Can easily measure the USB ( PC USB, cell phone charger, car charger, mobile power, etc.) port and device operating current and the output voltage charge-discharge capacity, performance, and judge the performance of the charging cable charging equipment, this tester can meet the requirements.
Wide application. Easy to use, easy to take alone, no additional power supply.
Plug and play.

Specifications

• Item model:KWS-V20
• Material: Plastic
• Voltage: 4-20V ±1%
• Current: 0-3A ±1%
• Display: Digital Display
• Time: 0-99H
• Capacity:0-99999mAh
• Features: Durable, Easy to Use, Portable, Useful, Mini