... 3.CE&RoHs&TUV approved 4 lifetime:>50000hours 60x60cm Aluminum ceiling light Specification ES-UTP-60X60-SAMES-UTP-60X60-SAM2RES-RGBTP ... , perfect heat dissipation Product display CertificateApplication1. Instead of the indoors ceiling light.2. School, Universities, hospital, hotel3. Conference, meeting room, showroom4 ...