Auto digital car voltage ampere meter with charging USB port

Digital Car USB Micro Car Charger Vehicle Voltage Gauge Volt Meter Cigarette Plug

Easy operation

Plug into CIgarret socket

for 12V car and 24V truck

with charging funciton for Phone

Features: New design with double3.1A USB output

PTTC over-,display the voltage,temperatureand current alternately by each 20 seconds.Auto power off while the inputcurrent or output current is greater than the safety current,please plug outwill working again. Input voltage:DC 12V-24V

Output voltage: DC 5V Output current: 3.1A

Conversion efficiency:95% Voltage measuring range: 5 V - 25 V

Current measuring range: 0-3.1 A

Temperature measurement range: - 20 degrees to + 80 degrees

Picture as below:

 Will send Red color