This is HDMI to AV, it is only transfer the device with HDMI interface to the TV with AV interface for display.It is wrong for you to plug HDMI into the TV or Monitor. HDMI-compatible to AV Converter.
eBay
HD USB to HDMI Adapter 1080P 60Hz USB 3.0 to HDMI-Compatible Converter External USB Adapter Video Cable for Desktop Laptop PC
Aliexpress UK
Type: HDMI to RCA Adapter. 1 x Adapter. Plug and play, no drive need, easy to use. Length: 7cm/2.76" (Approx.). Due to the light and screen setting difference, the color of item may be slightly different from the pictures.
eBay
VGA to HDMI-compatible Adapter Converter 1080P HDTV With Audio For Laptop PC to HDTV Projector VGA to HDMI-compatible Adapter
Aliexpress UK
The patch cord supports 1080P and 720P signal output, which can transfer and play most high-definition videos well. The definition switch can adjust the resolution of 720P and 1080P. Only RCA to HDMI is supported, but HDMI to RCA is not supported.
eBay
VGA To HDMI Adapter Converter 1080P VGA Male To HDMI Female Adapter Cable with 3.5mm Audio Output for PC Laptop HDTV Projector
Aliexpress UK
AV CVBS 3RCA to HDMI Video Composite Converter AV2HDMI Adapter 720P/1080P. This converter works great with either 720p or 1080p TVs, and the output mode is easily selectable with a switch on the device.
eBay
4K DP DisplayPort to HDMI-compatible Adapter Converter Display Port DP to HDMI-compatible HDTV Adapter Video Audio PC Laptop PC
Aliexpress UK
In very good shape Converts HDMI to RCA (not the other way around) RCA cable and USB power cable included
eBay
DVI 24+1 to HDMI Adapter Bi-Directional HDMI to DVI Cable adapter Coupler DVI to HDTV Cable Converter For Monitor TV PC PS4 Xbox
Aliexpress UK
Mini Composite AV CVBS to HDMI-compatible Converter Adapter AV2 HDMI-compatible Switch Box 720P 1080P. It can transfer AV (CVBS) composite video signal and FL/FR stereo audio signal to HDMI-compatible digital signal.
eBay
1080P VGA to HDMI Converter Male to Female Adapter with 3.5mm Audio & USB Power for PC/Laptop/Projector VGA to HDMI Adapter
Aliexpress UK
Composite Video (CVBS): NTSC/PAL standard. CVBS (Composite Video): 1 x RCA (Yellow). The converter up scales the input video signal to 720p or 1080p HDMI output. This switch allows you to choose between 720p and 1080p output resolutions.
eBay
4K 60HZ Mini Micro HDMI-Compatible to adapter converter For Laptop Graphics Card Camera TV Monitor HDMI Adapter Audio Video
Aliexpress UK
Dog Teaser Pole Wand Outdoor Interactive Flirt Pole Training Fun Toy Extendable！. 1x Main Unit (Mini CVBS to HDMI converter). ★【Full HD 720P/ 1080P Output】 - This RCA in HDMI out converter can automatically detect and convert RCA signals into HDMI 720P/ 1080P, provdes advanced signal processing with great precision, colors, resolutions and details.
eBay
BGGQGG VGA to HDMI-compatible Adapter Converter 1080P HDMI to VGA Adapter For PC Laptop to HDTV Projector Video Audio Converter
Aliexpress UK