Features 1、Easy to Use: Each channel has separate button control and power indicator, easy for you to use and monitor. 2、Easy to Install: Comes with a compact size and a light weight as well, the easy installation can be quickly completed. 3、Main Application: This power expansion module can convert 5V DC power into a USB interface, bring convenience for you life. 4、Easy Carrying: Small in size and light in weight, you can easily carry it with you to help with your work. 5、Reliable Work: Comes with PCB board and fine, standard workmanship to ensure reliable working performance. Specification Item Type: Power Expansion Module Material: PCB Input Voltage: 5V DC Input Interface: DC2.1, Type C Female Socket Package List 1 x Power Expansion Module