This ten-touch interactive ultra short-throw projector features IR camera and laser curtain modules. Laser Curtain IR Laser 830nm, 20,000 hours lifetime. Includes Triumph Board Comenius Office V1.0 annotation software (single user license), MyScript Stylus 3.2 incl. Calculator (single user license), RMEasiteach Educational software (single user license). Specifications: Image Size Support 75-100”, Number of T ouch Points 10 Multi-touch points, Auto calibration / manual 4 points calibration, Driver Auto-installation when plug in USB cable(Windows only), OS Support Windows 7, Windows 8, Accuracy ±4 pixels for <2 mm non-planarity 100” surface, Hover 3 ~6mm@ <2 mm non-planarity 100” surface, Environment /Safety - Laser Safety Class-1 @100”, Operation Temperature 0℃~+40℃, Storage Temperature -10℃~+60℃ , Native Resolution XGA 1024 x 768. Brightness 3000 ANSI Lumens, Contrast 15000:1, Noise Level 30dB (ECO mode), Aspect Ratio 4:3 Native, 3D projection , Weight: <7.5kg, Inputs/Outputs: VGA in x 2, VGA out x 1, HDMI 1.4a in x 1, S-Video in (PAL, NTSC, SECAM), x 1, Composite x 1, Audio in –RCA (L/R) x 2, Audio in – 3.5mm jack x 1, Audio out 3.5mm jack x 1, Microphone in x 1, Mini USB x 1 (interactive), DC 12V output x 1, Control RS232 D-Sub 9pin x 1, RJ45 (optional), Speakers 10W, excluding wall mount.