... 1800lumens 20watt round flat LED ceiling light 1.20W,1800LM 2. CE,ROHS & 3 years warranty 3.8.5mm thickness 1800lumens 20watt round flat LED ceiling light Parameter ... 1.High quality Epistar LEDs applied, energy saving around 85%. 2,13mm thickness ,our own design mould.3,PMMA(acrylic) ... .4,Long lifespan(over 50000hours), wide application, first-class led panel5. CE,ROHS certificate & 3 years warranty.