Epson America Inc - CEILING MOUNT (ELPHB550HC) Projection System - Epson 3LCD, 3-chip technology Projection Method - Front / rear / ceiling mount Driving Method - Epson Poly-silicon TFT Active Matrix Pixel Number - 786,432 pixel (1024 x 768) x 3 LCDs White Light Output/Color Light Output - 4000 lumens1 (ISO 21118 Standard)