H.264 VoIP SIP IP Infrared Camera, Weather-Proof (IP66), High Quality 3.1 Megapixels CMOS Sensor and Vari-Focal HD Lens with DC-IRIS, Infrared LED, Advanced multi-streaming rate real-time H.264, Motion JPEG at 720P and 1080p resolutions, Supports Motion Detection, and Notification on PC Client, PoE Ready, and 8MB pre-/post-event recording buffer, Supports both Variable Bit Rate and Variable Frame Rate