4-Way BNC Composite Video 1 to 4 Port Switch Splitter Box for TV CCTV DVR | eBay
8 Channel 1080p Full HD CCTV DVR Recorder | Swann UK
2 Tiers DVD Wall Mount Bracket DVR VCR DDS Receiver Cable Box Shelf under TV wp6 791090678940 | eBay
TiVo Edge for Cable | Cable TV, DVR and Streaming 4K UHD Media Player with Dolby Vision HDR and Dolby Atmos: Amazon.co.uk: Electronics & Photo
EE TV review: a decent set-top box with too many strings attached | Engadget
How DVR Works | HowStuffWorks
Digital Terrestrial Receiver | Satellite Terrestrial Tuner | Atsc Terrestrial Receiver - Satellite Tv Receiver - Aliexpress
Connecting Your DVR Box
Car Camera Mini DVR with SD Card Reader, SD Card Real-time Digital Video Recorder for FPV Camera Hi8 Camcorder DVD TV Box MPEG-4 CH1: Amazon.co.uk: Everything Else