... speed Tilt0.1~120°/SPreset speed400°/SPreset accuracy±0.10°Preset points128InterfaceAudio in1 channel MIC input (support line in ... 0 and above(embedded Web Server), maximum can support 10 users concurrent accessSmartphoneSupport Windows Mobile,Symbian,iPhone platformGeneral parameters ... 480TVL,22X Optical zoom,12x digital,VK-S635EN30x zoom,D/N,WDR1/4” ExViewHAD CCD,30X D/N,WDRVK-S655EN36x zoom, D/N, ...