Open-Box, new item U-shape aluminum channel for both recessed (flush) and surface mount LED lighting projects,such as furniture compartments, showcase, under cabinet, window, door frames, bar and so on. Perfect shield for led strips: Not only do aluminum channel systems dissipate the heat produced by LEDs, but the cover protects the LEDs from exposure to dust, hair and physical contact. Versatile & Easy installation: Fits most popular LED strip types (such as 3528, 5050 & 5630 LED strips). Accepts LED strip lights up to 12mm wide. Can be cut and customized to suit any project. Simply stick the LED strip light's adhesive backing inside the channel, snap on the diffuser cover, and mount the channel whenever desired. Can be surface mounted and recessed. Sound Quality: The track is a sturdy U-shaped aluminum channel for better heat dissipation; Transparent pc diffuser works well to help spread the light more evenly from the LED strip lights; METAL mounting brackets are heat