Features: 1.Lightsworld Aluminum Profile Kit is a great solution for low-cost DIY under cabinet lighting fixture. 2.It is designed for recessed/surface mounting to tie-in furniture, under cabinet,shelves, drywall, wooden partitions, etc., also can be activated to create decorative luminescent bands in the walls, ceiling, floor, lights, work surfaces, shelves, steps, niches. 3.The Oyster/Opal white PC cover works well to help spread the light. This aluminum channel/profile works with LED flex/rigid strip lights (less than 12.15mm wide). 4.This kit includes the channel, cover, end caps, and mounting clips needed for a complete aluminum channel installation. 5.The cover softens the 'spottiness' of LED strip lights, producing a more consistent and pleasing light. This aluminum channel is extendable and sold by meter. You can add as many meters as you need and connect them together seamlessly. Specifications: Configuration: U-Shape Channel: Extruded aluminum Diffuser: Oyster White Cover Height: 0.43inch (10.84mm) Inner diameter: 0.81inch (20.6mm) Top Width: 0.93nch (23.5mm) Back Width: 0.93inch (23.5mm) Packages Include: 5x1M-PACK Includes: 5x 1meter Aluminum Channel 5x 1meter PC Lens 10x End Caps (5 with hole, 5 deaf) 10x Mounting Clips 10x1M-PACK Includes: 10x 1meter Aluminum Channel 10x 1meter PMMA Lens 20x End Caps (10 with hole, 10 deaf) 20x Mounting Clips 25x1M-PACK Includes: 25x 1meter Aluminum Channel 25x 1meter PMMA Lens 50x End Caps (10 with hole, 10 deaf) 100x Mounting Clips 25x2M-PACK Includes: 25x 2meter Aluminum Channel 25x 2meter PMMA Lens 50x End Caps (25with hole, 25 deaf) 100x Mounting Clips 50x2M-PACK Includes: 50x 2meter Aluminum Channel 50x 2meter PMMA Lens 100x End Caps (50 with hole, 50 deaf) 300x Mounting Clips 50x3M-PACK Includes: 50x 3meter Aluminum Channel 50x 3meter PMMA Lens 100x End Caps (50 with hole, 50 deaf) 300x Mounting Clips