LASER PROJEKTOR, 3LCD Technology, WXGA, 3500 Lumens, 1 x HDMI, 1 x RGB , Audio In/Out, RS-232C, USB Type A, mini USB Type B, 1W Speaker, 2.000.000:1 Contrast Ratio, PIN Lock,Keypad Lock, White / Black Board Mode, My Sceen, 8 Sec Instant On/Off, 20.000H / 40.000H LASER Life ( Long Life 2), 360o Installation.