Digital LED Automobile Voltmeter with USB Port for Device Charging, Car Battery Monitor 5Hz ~ 3MHz in 6

5Hz ~ 3MHz in 6 steps

Perfect setup for any lab or classroom

• IC Extractor

Dust / Water Resistance: N/A

Digital LED Automobile Voltmeter with USB Port for Device Charging, Car Battery Monitor 5Hz ~ 3MHz in 6Low power consumption Bright red LED display Built in USB port for charging your small devices such as a phone or tablet Black ABS casing USB maximum output current: 2. 1A This 2 in 1 voltmeter plugs into your car's auxiliary power outlet to provide a readout of the car battery and a USB port for charging your small devices such as a phone or tablet. It is easy to install, has very low power consumption, and features a bright red LED display. What