1980s-1990s Pocket Televisions working in 2018

Hi, this video shows old analogue Pocket Televisions working on modern HDMI equipment such as Blu-ray players, PCs and Xbox One X. The video is long so I have done timestamps below so you can go straight to the part that interests you. 0:35 - The Televisions. 3:01 - The Set Up. 8:08 - Tuning them in. 11:17 - Nintendo Switch - Fifa 18. 13:35 - Xbox One X - Forza 7. 16:17 - PS4 Pro - Fortnite. 18:05 - PC - Cuphead. 21:21 - Blu-ray Wallace & Gromit. 23:15 - Range Test. Many thanks Vince