Wholesale China factory metal craft letters for Denmark Name:LED channel letter sign Material: 304 stainless steel sides and backer, acrylic face Usage: Outdoor advertising Power:Input:110-240V AC,Output:12VDC Size:26 inches tall Style:RGB LED front lighting Certificate:CE,UL Finish:powder coating ONLINE SERVICE SKYPE:luyanfeihelen LED Front-lit Channel Signs is the most common type of illuminated signs; it can be very good to show the contours of the sign even in the night. Basically, light passes through the front face of the sign causing it to light up at night. Found in 2005, Dragon Signs Technology Co.,LTD is specialized in manufacturing, designing and developing outdoor LED signs ,metal signs etc, we are a UL certified sign manufacture in china.