This not your ordinary display case lights, these are designed for bright true colors. The two color, high power led chips blend to create a true sun balanced spectrum with a 92 Color Rendering Index (CRI). The narrow focus of each chip will produce more ALOT of brilliance from Jewelry, gemstones, minerals. This kit contains everything needed to outfit most narrow 12-16" wide and 16 to 30+" Tall. The triple 11" aluminum strips will allow you to light up each shelf, or a top and 2 sides of a case. Quick and easy installation designed to be portable. This kit it will light up to 4 cubic ft of display space. All aluminum construction, light strips run on 12Vdc and are ideal to run in a car battery. 12v transformer to plug into 120Vac IS INCLUDED. 20w of power, 2200 lumens, 92cri.