Mini USB Power Charger Current Voltage Tester 4-Digit Red Display 3.5-7V 0-3A Detector
Features:
- Compact and easy to carry
- No additional power supply
- Plug and play
- Measure the output voltage of the USB port and the device operating current or load voltage
Specification:
- LED Display Digit 4Bit
- LED Size 3.3 Inch
- LED Display Color Red
- Detection Range Voltage:3.5~7V
- Current:0~3A
- Accuracy Voltage:less than +/- 1% Current Less than 2%