Sealed, never used. Projection Lens:- F/2.41~2.55; f=21.8~23.98mm, 1.1x Manual Zoom. Power Consumption:- 225W Bright mode / 191W Eco mode (< 0.5W Standby). Keystone Correction:- ± 40° Vertical. Lamp Life2 Eco+/Dynamic/Eco/Bright:- 7000/6500/6000/5000 (hrs).
