Optoma EP782. Projector brightness: 4700 ANSI lumens, Aspect ratio: 4:3, Projection technology: DLP. Service life of lamp: 3000 h, Lamp power: 330 W. Throw ratio: 1.57 - 1.89:1. Vertical scan range: 50 - 85 Hz, Horizontal scan range: 15 - 91 kHz. Noise level: 30 dB