Plug in the wall LED power supplies are easy to use since they are designed to plug directly into a standard wall outlet. These types of power supplies are considered plug and play since they take very little effort to install. Each power supply included a 2 pin barrel connector for simple wire connections. These LED power supplies are available in 5VDC, 12VDC and 24VDC output. Plug your LED transformer in a standard 120VAC power socket and power your 5/12/24VDC LED Lights. Compatible with any 5VDC, 12VDC or 24VDC Constant Voltage LED Lighting product.