... /s(NTSC), 50f/s(PAL) 4.Enhanced Mpeg-4 compression DVR CardVideo Input:1 -- 4 Channel Video InputAudio Input:1 CH Audio input (from Sound ... /NTSC, 50fps/PALChipset:TW6805, 10-bit ADC with 4H comb filterDisplay Screen:1 / 4 Full ScreenColor Adjust: Adjustable Light, Contrast, Hue, Saturation by ... / Step / Fast 1X,2X,4x,8X / Slow 1X,1/2 X,1/4 X,1/8XUser Right:Multi User with Personal User name/Password ...