The 4-inch LED Strip Track Diffuser width is 100mm, and the inner width is 69.5mm, allowing the max-width of LED lights to be 69mm. You can install multiple lines of flexible LED strips, COB LED tapes, and rigid LED modules as the light source. The suspension wire kits are included and allowed to be hung on the ceiling. They can be used as the main lighting in offices, storage, hotels, supermarkets, etc. Made of 6063-T5 aluminum material, with an anodized surface treatment, anti-oxidation resistance, and a longer lifespan. The standard lengths are 1M and 2M, and custom lengths are available. There are three colors available: silver, white, and black. Only one type of diffuser is available: the PC diffused cover, which is made of imported-brand material, is anti-yellowing, has perfect light distribution, and has soft light output. Metal clips and steel wires are included, which allow you to hang the LED tape diffuser on the ceiling or mount it on the wall. Four types of connectors are sold separately, and you can use them to reconnect the LED tracks for the lighting projects. 

Specifications:
Material: 6063-T5 Extruded Aluminum
Surface Treatment: Anodized
Colors: Silver(Default), White, Black
Size: 100*75mm(W*H)
Standard Length: 1M
Other Lengths Available: 1M, 2M
Custom Length Available: YES
Diffusers: PC Diffused Cover
Inner Width: 69.5mm
Max Width Of LED Strips: 68.5mm
Max Power: 50W/M
Beam Angle: 100°
Tolerance: ±1%
IP Rate: IP20 Non-waterproof
End Caps And Clips Included
"T", "X", "IL" And "L" Shape Connectors Sold Separately
Strip Lights, Controllers, And Transformers Sold Separately
Installation: Pendant/Surface Mounting
5 Years Warranty

Includes:
1 * LED Strip Track Diffuser
End Caps
Inside Clips
Stainless Clips
Steel Wires