The GL69406 is a passive/semi-simple HDMI switch that allows:

• Operation of 2 inputs to 1 output (e.g. 2 devices → 1 display/TV), with manual switching via the button.
• Operation of 1 input to 2 outputs (e.g. 1 device → 2 displays), but the signal appears on only one output at a time, not simultaneously.

Typical technical specifications:

• Resolution up to 4K@30Hz or 1080p@60Hz
• Compatibility with HDMI 1.4/2.0
• HDCP support
• No separate power supply (powered via HDMI port)

It is commonly used for consoles, media players, laptops, etc., to TV/monitor, where simple manual source or output switching is needed without complicated menus.