The Foscam FI9821W Wireless IP Camera is Foscam's latest HD 720p Megapixel IP camera. The FI9821W improves on the FI9820W in the following respects:Improved low light & night vision performanceWider viewing angle by 20 (even wider than FI8910W)Updated web interface with all features and options included in the FI8910WEnhanced MAC as well as Safari/Chrome/Firefox compatibilityMultidevice viewing compatible with FI8910W and all other Foscam MJPEG camerasFree bounded DDNS service via MyFoscam.orgImproved audio and reduced static on microphoneThe FI9821W adopts a high performance media processor and high speed video protocol processor making it capable of H.264 video compression for extremely smooth high definition video transmission, increased FPS and minimal bandwidth consumption. In addition, due to the small file sizes produced by H.264 video compression it has the ability to save tremendous hard drive space when doing video recording. Furthermore, the FI9821W also features a built-in DVR via on-board SD Card slot for direct recording on the camera itself upto 32GB. The FI9821W features high quality video and audio, h.264 video compression, built-in SD card slot, wifi-N capability, pan/tilt, remote internet viewing, motion detection, night-vision as well as a built in network video recording system. In addition, it is smartphone compatible (Iphone, Android & Blackberry) as well as viewable over the internet network using the standard Safari browser (no app necessary). The camera functions well as an Iphone baby monitor or as part of a home or office security system with remote internet monitoring ability.