Brand Name: OPTOMA Model No: EH331 Display Technology: Single 0.65” 1080p DC2 DMD chip DLP® Technology by Texas Instruments Resolution: 1080p 1920 x 1080 Brightness1 (Bright Mode): 3300 ANSI Lumens Throw Ratio 3: 1.48 - 1.62:1 Zoom Type: 1.1x Manual Projection Screen Size:  0.71-7.75m(27.88" - 305.3") Diagonal 16:9 Projection Distance: 1.2 - 12m Projection Lens: F/2.5~2.6; f=21.86~24mm Uniformity: 70% Maximum Resolution : Full HD 1920 x 1080 Power Supply: 100-240V, 50-60Hz Power Consumption:  225W Bright mode / 187W Eco mode (< 0.5W Standby) Lamp Type: 195W