GT-CTS55

For ad interactivity it's fine. 20–50 ms covers tap-to-engage, coupon claims, photo captures — none need gaming-grade latency. Where it shows is fast multi-finger gestures: a rapid two-hand pinch might lag a frame. For pure advertising with occasional touch, users won't notice; for heavy whiteboard use, ask about our faster controller build.

Two people co-creating: one annotates while another scrolls, or a retail game where 3–4 players tap simultaneously. On a 55" at 2 m distance, 10 points prevents "drop finger" when a group crowds in. For single-user kiosks we can cap to 5 points to cut host CPU load.

Readability is an LCD brightness issue, not touch. For the touch layer: direct sun heats the top edge, shifting baseline. We run a full-height thermal map at the factory and pre-load zone offsets, so a sunlit top third stays as accurate as the shaded bottom. Pair with a high-brightness LCD (≥1000 nits) for the picture.

Touch coordinates are relative to the panel, not the video. When you flip orientation in the OS, Windows/Android remap the HID automatically; no reflash needed. Just make sure your enclosure lets you physically rotate the panel — the sensor itself is orientation-agnostic.

Stock three things: the controller module (pluggable, not soldered), the USB harness with locking connector, and a spare edge gasket. The glass and sensor outlive the electronics. Controller firmware is field-flashable, so a tech swaps the module, plugs in, and the panel recalibrates from the stored baseline — no bench work.