Specification Product Name DIY Welding Kit for Color Light ControllerModel TJ 56 640Working Voltage DC 5VLighting Mode 4 Control ModesPCB Dimensions 66 x 70mmNote This is an unassembled kit you will need to assemble and solder it Features 1 Ideal for beginners and hobbyists in electronic projects 2 Provides various lighting modes including gradual shift and cycles 3 Includes clearly marked components for straightforward assembly 4 Adjustable speed function for flexible usage 5 Compact PCB design suitable for DIY setups 6 Stable operation for colorful light arrangements Package Includes 1 x DIY soldering kit