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.

Simply connect this device to the power supply, the voltage can be detected in real time. When you need the phone, IPAD, MP3 and other digital products to charge, connect it to a power supply and it will start supplying 5V 3A at its output.

You can use this device which features 2 USB ports in Mobile Phones, flat-panel USB5V powered devices and many more.

Features :

1. High efficiency and low ripple.
2. With USB power indicator light.
3. Maximum output 3A (at the same time with two mobile phones).
4. Small and handy module.
5. Easy to use.

Package Includes :

1 x Dual USB Output Car Charger Switch 5VDC-DC Power Supply Module