This LED showcase pole light can be used for inside jewelry, watches, antique, cell phone and boutique stores. These pole LED light are very easy to install into cabinet or shelves. Each light angle can be adjust to your specific needs. These LED lights use very low energy of approximately 4~5W each light pole. Wire can be cut and extend the range for your specific needs. it operate at 12v DC. ( DO NOT connect LED directly to 110v outlet. use only AC to 12V DC power supply provided) Please note: The power supply and LED lights are not waterproof it is designed for indoor use only. SPECIFICATION of LED Light:: Emitting Color: White ( 6000k ) LED Type: 1W x 3 on each LED pole Input voltage: 12V DC Beaming Angle: 45 Total Height: 8 inches bottom screw length: 0.8 inch ~ 0.9 inch Total luminous: 300LM cabinet opening hole size: 3/8 Size: 8" x 2" x 1.75" Weight: 1 lb Package content: FY-53M Jewelry showcase pole light (quantity base on selection) UL Listed 12V DC 2A Power Supply