VIVOTEK SD8313E/23E are high performance day/night speed dome network cameras suitable for professional surveillance applications. The IP66-rated housing protects the camera body against rain and dust and ensures operation under extreme weather conditions. The SD8313E/23E are especially suitable for monitoring wide open indoor/outdoor spaces such as airports, highways, parking lots, and shopping malls, where high-level reliability and precision are always required. The SD8313E/23E supports high-performance H.264/MPEG-4/MJPEG compression technology and offers extra smooth video quality with resolution up to 60fps @ D1. Boasting WDR Pro technology, the SD8313E/23E can also cope with challenging lighting conditions and generate image quality similar to the capabilities of the human eye. With sophisticated pan/tilt mechanism, the camera provides fast, precise movement with continuous 360-degree pan and 90-degree tilt. Users can easily control the lens position via a mouse or a joystick to track the object of interest in and set up to 128 preset positions for patrolling. As with all VIVOTEK true day/night cameras, the SD8313E/23E features a removable IR-cut filter, maintaining clear images 24 hours a day. The built-in SD/SDHC card slot offers a convenient and portable storage option to prevent data loss in case of network disconnection. With other advanced features such as audio detection, 802.3at compliant PoE Plus, and 60fps high quality video, the SD8313E/23E is the best choice for the most demanding outdoor surveillance applications.