The 16 foot section of RGB led cove lights come with everything you need to power up the cove lights. You will receive one 16 foot section of RGB tape lights, one 4 pin female connector, one ribbon flex controller with 44 key remote and one 12 volt 60 watt power supply. The tape light cove lights dimensions are 3/8 inch wide by 1/4 inch tall by 16.2 feet long. The cove lights can be cut every 2 or 3 inches depending on the color. The cove lights consume 2.2 watts of electricity per foot and product 146 lumens of light per foot. The cove lights come with a 3M double sided tape for easy installation. The 12 volt 60 watt power supply is a UL listed power supply that plugs into a standard electrical outlet. The dimensions of the power supply is 5 inches long by 2 inches wide by 1.5 inches tall. The power supply can be placed in the cove or you can extend the lead wires out if you need to. To install these lights there is some minor wiring you might have to do between the power supply and the lights so we suggest you have some low voltage wire along with the crimping electrical connectors or wire nuts on hand. The RGB ribbon flex controller with 44 key remote allow you to control the speed of the color change. The remote control is an infrared remote control and has a range of 5-8 feet. There are 44 remote control buttons on the remote itself. There are 25 pre programmed static colors, 5 color changing modes, 6 user programmed static colors and all the static colors are dimmable. The fastest color transition time in the color changing mode is 1 second and the slowest transition time is 10 seconds. The maximum transition time through the complete color changing sequence is 70 seconds.