AUDEW Digital LED Voltmeter Auto USB 2 In 1 Readout Car Charger Battery Monitor
Specification
Material: ABS
Casing Color: Black
LED Colour: Blue, Green, Red
Dimension: Like the picture show
Output voltage: 5.0V
Maximum output current: 2.1A
Features:
High quality, easy install, low power consumption
Multifunction, durable, high light display