The set of two Sky Cloud Ceiling Panels with a frame will provide you with a crystal-clear image in 40W backlit LED light. Each measures 60 x 60cm and the LEDs are placed in its centre and also in the borders for a better lighting effect and high lumen output, making it a visually attractive alternative to the usual dull white ceiling tiles. Ideal for offices, meeting rooms, conference rooms, corridors, practice rooms or waiting rooms, the beautiful blue sky cloud scene will create a feel of natural light indoors. Dimensions: 595 x 595 x 45mm. AC220-240V, 50/60HZ. Flux lumens: 3600LM. Efficiency: 90LM/W. CRI: Ra>80. SDCM: <6. Beam angle: 120 degrees. IRF, UGR request: IRF<5%. Luminous Decay: after 1000H, decay<10%. Operating temperature range: -20 to 40 degrees. Lifetime: 30000 Hours. Warranty: 3 years. IP grade: IP20. Insulation class: CLASS II.