Reads Temperature Contrast

Drafts, damp patches, and warm circuits show as heat, not as visible marks.

Reach Into Tight Cavities

A flexible probe sees down drains and behind fixtures without opening a wall.

Readable in Dim Spaces

Crawlspaces and attics are dark, so screen brightness decides what you notice.

One-Handed Use on a Ladder

The other hand is holding the ladder, which rules out two-handed operation.

Saves Images for Reports

A stored photo is what convinces a landlord that something is actually wrong.