CGI Engineering - USB Testing Device Car (Voltage/Amp/Temp)(True

Plug into your Car 12v socket to charge your USB Devices with its 2 output ports

3 Display : voltage, amp & ambient temperature

Tests and monitors the output for voltage and Amperage to prevent overcharging.

Also acts as an indicator to check if there is any current flow to your device

Input Voltage range: 12-24vdc
Output Range: 5v @ 3.1A