Vivotek FD8361 2mp H.264 Vandalproof Perp Dome Day / Nightnetwork Ip Camera 2-megapixel CMOS Sensor, 3 ~ 9 mm Vari-focal, Auto-iris Lens, Removable IR-cut Filter for Day & Night Function, Built-in IR Illuminators, effective up to 20 Meters Real-time H.264, MPEG-4 and MJPEG compression, Multiple Simultaneous Streams, Video Cropping for Bandwidth Saving ePTZ for Data Efficiency, Activity Adaptive Streaming for Dynamic Frame Rate Control, Tamper Detection for Unauthorized Changes Vandal-proof and Weather-proof IP66 rated Housing, Built-in 802.3af Compliant PoE, Built-in SD/SDHC Card Slot for On-board Storage Built-in Heater and Fan, supported by PoE, 3-axis Mechanical Design for Ceiling/Wall Mount Installation, Supports ONVIF Standard to Simplify Integration and Enhance Interoperability