rgb liquid crystal shutter projection system brightness (high/low) : 2200 ansi lumens/ 1760 ansi lumens contrast: 400:1 colour : full colour(16.77 million) lens : manual: zoom /focus; f-number: 1.6 focus length : 18.4mm - 22.12mm; zoom ratio : 1.0 - 1.2 display : 0.63 inches with mla poly-silicon tft active matrix, 786,432 pixels (1024 x 768) x 3, xga lamp type : 170w uhe e-torl optical system : dichroic mirror separation & prism combine method i/o ports: serial i/o: d sub 9 pin x 1; network interface: rj45 x 1 sound output : 10w monoaural input terminal : video - d-sub 15pin x 1 blue moulding audio - stereo mini jack x 2 output terminal: video - d-sub 15pin x 1 (black moulding) projection method : front / rear / ceiling mount inc : power cord 3m , computer cable 1.8m, d-sub 15pin (male) - mini d-sub 15pin (male), remote control, air filter dimension (d x w x h) : 245 x 327 x 108 mm weight : 2.9kg * start up in approximately 5 seconds * "instant off" cool-down period * direct power on and power off