What input resolutions does this unit accept and output?

I tested on my 1080p monitor and it worked well.

what is this used for?

this is used to create scanlines on a TV/Monitor with hdmi in puts. just like the old CRT TVs of the 90s and earlier. its primarily used for retro gaming. I used it for a retropie build and it worked amazingly. since the pi isnt a power house it was easier to use this instead of a filter that take processing power away from the pi.

Can you adjust the thickness of the lines or is it only a toggle between two settings?

Sadly you can't fully customize them I wish you could you could only choose from about two types of thicknesses and then you can also invert which lines are shaded in

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🕹️ Level up your retro gaming with authentic arcade vibes!

CUSTOMIZABLE VISUALS - Switch between dual or singular scanline widths to tailor your classic gaming vibe.
OPTIMIZED COMPATIBILITY - Adjust output resolution easily to avoid screen cutoffs and enjoy flawless full-screen retro gaming.
RETRO PERFECT SCANLINES - Recreate the iconic CRT arcade look with true 15KHz scanline effect for unmatched nostalgia.
PORTABLE PLUG AND PLAY - Compact design lets you bring authentic arcade visuals anywhere, no complex setup required.
SEAMLESS HDMI INTEGRATION - Plug-and-play HDMI input and output ensure crisp audio-video compatibility with modern devices.

The Gam3Gear HDMI Scanline Generator is a portable function board that adds classic 15KHz CRT-style scanline effects to HDMI video output, perfect for retro gamers and arcade enthusiasts seeking authentic nostalgia on modern displays. It features HDMI input/output with audio passthrough, a width toggle for scanline customization, and easy resolution adjustments for optimal compatibility.

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Brand	Gam3Gear
Series	HDMI Scanline Generator
Item model number	722267642006
Operating System	Windows
Item Weight	2.89 ounces
Package Dimensions	5.35 x 2.72 x 1.46 inches
Color	Black
Manufacturer	Gam3Gear
ASIN	B07JYW96Q2
Is Discontinued By Manufacturer	No
Date First Available	October 29, 2018

Gam3GearHDMI Scanline Generator Portable Audio Video Output HDMI Image Scan Line Generator Function Board for All Retro Games/Gamers/Mame/Arcade Game/Emulator

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