1. 32 Channel Video Inputs 2. 8 CH Audio input 3. Support ... O.S.:Windows 2000/XP, Windows Vista Specification:Video Input: 1 -- 32 Channel Video Inputs, 17-32ch video input (Optional)Audio Input ... bit ADC with 4H comb filterDisplay Screen: 1/4/6/9/10/13/16/25/32/Full ScreenColor Adjust: Adjustable Light, Contrast ... / Fast 1X,2X,4x,8X/ Slow 1X,1/2 X,1/4 X,1/8XUser Right: Multi User with Personal User name ...