@@@@@Pls check my other listings. More LED light model Available!@@@@@ Energy Saving 24W Ceiling LED Light (Cool Daylight or Warm light) Save ur electricity bill now with LED! Brighter than conventional 32W flourescent light but uses less energy. High quality and endurance rated at 35K hours usage. No screw required to fix item on ceiling, need existing flourescent light system for retrofit. Most important, no light flickering problem from usual flourescent light tube. 24W LED power equivalent to 40W flourescent tube light output. Diameter: 28cm Fixing services available. One to one exchange if dead on arrival (not working) @@@@@Pls check my other listings. More LED light model Available!@@@@@ Can meet on any mrt line station for delivery if purchase more.