12 in 1 USB Power Bank Tester

Simple and quick measurement of the voltage on the USB interface and the operating current of the device. Measurement accuracy: Voltage 10 mV, current 1 mA. Small and easy to carry, plug & play, no external power or other attachment required. To detect whether the output voltage/ output current from the USB charger reaches the standard or not. Specifications: Color: Transparent Material: ABS Dimension: approx. 54 x 34 x 5 mm Interface: USB interface Digital Display: Voltage/ Current Measuring range: DC Voltage 3-7,5V, current 0-3A Measurement error: voltage +/- 1%, +/- 2% current Working Temperature: 0 Celsius to + 60 Celsius Function: to measure the voltage from the cell phone charger etc. package content:1 x USB car voltmeter Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.

FEATURES

• Brand new and high quality.
• It can measure current and voltage of the power supply equipment with USB port.
• Plug and play, no extra power supply needed.
• The voltage and current will be displayed circularly.
• Small sized, easy and convenient to carry.