DUAL USB 9/12/24/36V TO 5V DC-DC 3A BUCK REGULATOR
This is Dual USB Output 9V / 12V / 24V / 36V Car Charger Switch 5V DC-DC Power Supply Module 3A Buck Regulator, a combo of 3A Charger and voltage checker.
The module converts input of 6-40V into a very stable 5V 3A output. The device features a 2 USB port through which you can charge your phone. While charging your device please consider that the output of this device is regulated at 5V 3A.