RGB LED strip light power adapter and controller kit, complete with an infrared (IR) remote control and a 4-pin connector plug.Product Specifications (from the image)Input Voltage: AC 100–240V, 50/60HzOutput Voltage: DC 12VConnector Type: 4-pin (12 mm width) supporting RGB color-changing flexible LED strip ribbons.If you want, let me know:Are you trying to troubleshoot why the lights aren't turning on?Do you need help wiring or connecting the 4-pin pins correctly?