This LED module is a great backlight module for channel letters, architectural lighting, hobby projects, cove lighting, and many other backlighting applications. This product easily conforms to circular and curved layouts. With 2 quality SMD LEDs on board the lighting is excellent. An aluminum housing filled with clear resin provides a water-resistant protected LED module. This module works well for 15" or smaller channel letters. A 12 volt power supply is required to connect a series of 50 module strings in parallel connections. 3M™ VHB™ mounting tape on the back, provides the best long-term mounting solution for our modules. Note; Module is non-submersible / non-UV proof.