RELIABLE WIRED CONNECTION: Protect your loved ones & property with this wired surveillance system. Just add compatible cameras SEE & HEAR EVERYTHING IN ULTRA HD: See faces, license plates, packages with state-of-the-art 4K Ultra HD, that’s 4x clearer than 1080p with powerful digital zoom – ensuring you won’t miss a thing SET & FORGET: Enjoy local recording for up to 180 days+ onto the massive 2TB hard drive with no fees ever. Save still images directly to your Dropbox account EXPAND WHEN NEEDED: Add up to 16 compatible cameras for full 16 channel monitoring CUSTOMER SUPPORT: Swann provides protection against factory defects; If you experience any challenges with our products, simply contact customer service via email or Amazon Message & we will assist in the setup, operation & any warranty enquiries, Manufacturer: Swann