Marco Linear DIY Design mostly used for supermarket, shopping mall, office and conference room 

Features:
Various functions for options
High lumen output at 105lm/w
Easy installation
Flicker-free & 5 years warranty
Black, white, and gray housing colors available
Up and down luminous function
Separate control of the up and down, non-interference
The power supply and other built-in components are fixed on the Geary tray