ROBUS RSD18CCT3-01 LED Downlight.
Extremely versatile panel downlight of commercial specification. Check photos for details. Has adjustable bracket to suit cutouts of 55mm to 125mm so applicable for any opening. 3 different colours to select from. Plug and play just like a normal downlight. See photos for current market pricing. Surplus to project requirements. 20 all sold together at $20 each so $400 for the lot.