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:

TV Recording (Cable/Satellite DVRs)
- Lets you record live TV, pause, rewind, and schedule recordings.
- Examples: TiVo, DISH Hopper, DirecTV Genie.
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).

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