DC Mobile Power charging current voltage digital monitor USB tester current 0-3A Voltage 4-20V Dual Meter Display Charger

Features:
1. The working time and capacity display has a memory function after power off.
2. Press the RTZ reset button for 3 seconds and the screen display will be reset.
3. USB intelligently monitors current and voltage capacity.
4. Portability: This product is small in size, light in weight, and very convenient to carry.
5. Good quality: This product is made of high-quality materials, exquisite workmanship, very good quality and long service life.

Specifications:
● Model: KWS-V21
● Measuring range: 4-20 V
● Input voltage: 4-20 V
● Output voltage: 4-20 V
● Ambient temperature: 60℃
● Dimensions: 59*23 mm
● Voltage measurement error: 1-2v

Package Included:
1 x USB Current Voltage Capacity Tester