Coming with a dedicated 1080p HDMI output, Synology Network Video Recorder NVR216 is an all-in-one, PC-less surveillance solution designed for offices and retail stores where space is precious. Capable of displaying and recording up to 4 or 9 IP cameras, expandable to 4 bays of storage with DX213, and extremely energy-efficient, NVR216 offers an effortless surveillance experience. Equipped with a dedicated HDMI output to display at 1080p resolution on a monitor, Synology NVR216 lets users watch up to 9 channels at 720p/30FPS of surveillance feeds without using a computer. In addition, you can directly manage cameras and recordings through Surveillance Station interface on the same monitor. It delivers robust features, such as the Live View panel with on-screen operations for monitoring video streams from multiple IP cameras, Time line panel letting you select a date and time and then play back recordings from multiple channels at once, and an instant alert system to keep you always notified. Available on iOS and Android devices, DS cam is the mobile extension of Surveillance Station - allowing you to access Live View, playback, adjust PTZ, and receive push notifications. You can browse through recorded events and use a time line bar to move backward or fast forward. With DS cam, it's easy to monitor IP cameras located anywhere in the world. Never worry about missing any suspicious events! NVR216 can be connected to Synology DX2132 expansion unit to expand the available space from 2 to 4 drives, allowing users to create a RAID 5 volume and find the ideal balance for their storage strategy. Once connected via eSATA with a specially designed locking cable, NVR216's raw capacity can be as high as 32TB.