USB charger with voltmeter & thermometer

3 in 1 battery voltmeter (with thermometer & USB port)

– Internal thermometer (-9 ° C / + 80 ° C).
– 12 / 24V battery.
– With heat exchanger meter for battery status and proper operation of the heat exchanger.
– 5V, 2100 mA, USB socket for connection & charging of any device.

Certification: CE.