This is a flicker free colour selectable Lyveco 40w 4ft LED batten. It is a slimline model measuring at just 35mm in depth and the switch to change the colour temperature is hidden to within the body to keep the sleek design. It's a great choice for variety of different environments and will work for both residential and commercial applications. It is is estimated to have a 30000 hour lifetime and has a three year warranty.