"The GV-IP Speed Dome (GV-QSD5730) is an indoor network PTZ camera that offers 33x optical zoom and 10x digital zoom, capable of showing smooth live view with great details. This camera can simultaneously deliver four video streams in resolutions up to 2592 x 1944 at 30 fps. The GV-QSD5730 supports H.265 video codec to achieve better compression ratio while maintaining high quality pictures at reduced network bandwidths. 1/2.8"" progressive scan low lux CMOS sensor. Quad streams from H.265, H.264 or MJPEG. Up to 30 fps at 2592 × 1944. Min. illumination at 0.002 lux. 33x optical zoom and 10x digital zoom. Day and Night function (with removable IR-cut filter). Four sensor inputs and two alarm outputs. Wide Dynamic Range Pro (WDR Pro). Temperature tolerance (-25°C ~ 50°C / -13°F ~ 122°F). Support for TV-out. Two-way audio. Built-in SD card slot (SDHC/SDXC, Class 10) for local storage. PoE+ (802.3at) / AC 24V. Pan 360° endlessly. Tilt from -10° to 100°. Pan and tilt speed of up to 400°/sec and 300°/sec respectively. PTZ movement (Preset, Cruise, Auto Pan, Sequence). PTZ auto tracking. Electrical Image Stabilizer (EIS). Servo Feedback, returning the camera view to the previous position upon encountering external forces. 3D noise reduction. Privacy mask. 12 languages on Web interface. ONVIF (Profile G, S, T) conformant."