HW420SIR Series is an embedded Wireless Waterproof IP camera device with WiFi and SD Card designed for network video surveillance application. Optimized H.264 video compression algorithm assures clearer and more fluent image transmission. It uses the newest technics and high integration single chip SOC with powerful linux RTOS (Real-time Operating System) realize high performance and low cost digital multimedia process. Built-in Web Server allows users to conveniently carry out remote control via Internet Explorer. Furthermore, central management software can be used for integrated surveillance and management of multiple network cameras, so it is very easy to build large video surveillance system.