LG HF85JA Ultra Short Throw Laser Smart Home Theater Projector (2017 Model - Class 1 laser product) Full HD (1920 x 1080) Resolution; Standby Mode : Less than 0.5W LG Smart TV Enabled. Contrast Ratio-150,000:1. 100 inch at 4.7 inch (from back side to screen) Ultra Short Throw projectors deliver vivid imagery within a very short distance of the projection surface. Set it just 17 inches from a wall or screen to get 100 inches of bright, vivid viewing Up to 1,500 lumens and 20,000 hour laser lamp life Laser Class: Class I; Laser Output power: 0 mW (zero mW)