Cocoweb LED picture lights are a great way to add lighting to your artwork and bring out the colors in any painting. These lights are fully adjustable to get light right where it is needed, with an included dimmer to control the brightness of the light. Please refer to sizing chart below for purchasing the best option for your artwork.Each light is handcrafted with the finest materials and specialized paint finishes to ensure the longevity of the product. The light includes a preinstalled LED array (bulb) which is rated to provide over 50,000 hours of light. LED''s are a must have for gallery lights as they produce minimal heat and UV output which prevents your painting from cracking or fading with time.MET Listed (Same requirements for UL Listed items)Plug-In AdapterIntegrated LED bulb included (Rated for 50,000 hours)Full Range Brightness Dimmer Included12" Light is preferred for images between 16" to 20"16" Light is preferred for images between 21" to 26"21" Light is preferred for images between 27" to 36"30" Light is preferred for images between 37" to 50"43" Light is preferred for images between 51" to 72"