Alinkingfs IP speed dome series feature high quality CCD sensor of 18X/26X/36X optical zoom with auto focus. Itfs with Day / night mode by ICR technology. Variable pan speed 0~400‹/s, tilt speed 0~200‹/s, motion adaptive 3D De-interlace and noise reduction, two way audio, configured for motion detection and alarm I/O triggers with still image capture and email notice. Itfs Qualified to IP66 weatherproof standard for outdoor IP speed dome. Alinkingfs IP speed domes are the great surveillance products for your professional application use.