This LED showcase pole light can be used for inside jewelry showcase, Trade shows, Watches display cabinet, Cell phone stores, restaurant hostess station, or any places that you need light. It's very easy to install into cabinet or shelf. These LED lights use the low energy of 4W each light pole. The wire can be cut and extend the range for your specific needs. it operates at 12v DC. Specification of LED Light: Emitting Color: White 6000K LED Type: 21x LED chip Input voltage: 12V DC Beaming Angle: 120 Total Height: 10.75 inch Light Head length: 3.10 inch Secure screw length: 0.75 ~ 1 inch cabinet hole size requirement: 7/16 inch Package specification FY-60 series jewelry showcase pole light UL Listed 12V DC 2A Power Supply