HD Dvr

What is an HD DVR?

An HD DVR is a device that records video in high definition (HD) and stores it on a hard drive for later playback. These are commonly used in home entertainment systems and security camera setups.

Common Uses:

1. TV Recording (Cable/Satellite DVRs)

   • Lets you record live TV, pause, rewind, and schedule recordings.

   • Examples: TiVo, DISH Hopper, DirecTV Genie.

2. Security & Surveillance

   • Used with CCTV or IP cameras to record 24/7 video in HD.

   • Often supports multiple channels (e.g., 4, 8, 16) for different camera feeds.

   • Comes with features like motion detection, remote viewing, night vision support, etc.

Key Features:

• HD Recording (720p, 1080p, or higher)

• Storage Capacity (usually 500GB–4TB or more)

• Playback Controls (fast forward, rewind, slow motion)

• Remote Access via app/web (for security DVRs)

• Multiple Channel Inputs (for security systems)

• Scheduled or motion-triggered recording

DVR vs NVR:

• DVR (Digital Video Recorder): Works with analog cameras (usually via coaxial cables).

• NVR (Network Video Recorder): Works with IP cameras over a network (Ethernet).