VP-2791MD FEATURES 12x Optical Zoom Mini PTZ (16x Digital Zoom) High Resolution - Day : 580 TV Lines, Night 680 TV Lines 0.05° Dome System Accuracy 220 Preset Position External Firmware Upgrade (RS-485) Home Position & Recover (Preset / Tour / Pattern / Scan) Controlling Pan/Tilt Speed while Zooming 8 Privacy Masking Zones Quick Operation Keys OSD for Camera Control Max 250° / sec Speed on Preset Mode Vandal-Proof Poly Carbonate Clear Dome Cover (IP66)