2.41 billion people live through dangerous heat every year. Most never feel the line coming.
Heat-risk awareness for outdoor crews
Heat kills quietly. HeatSafe notices first.
A $9.49 band worn on the bicep. It reads the air and your sweat, decides on-band, and answers in light and one pulse — no screen, no app, nothing to pair.
The problem
Heat arrives as a warning.
Humidity turns it into a trap.
You don't feel the line until you've crossed it.
It comes apart,
then back together.
The whole band lifts apart — logic board, coin cell, solar film, motor and sensor module float free and labelled, then snap back into one sealed knit ring.
02 — The tech inside
Scanned to glass.
Flex-PCB traces run the whole ring, feeding the coin cell, the sensor lenses that read the air, and the vibration motor that taps your arm. One microcontroller decides, on-band.
03 — Placement
Above the elbow. On duty.
04 — Live verdict
Sweat runs clean, the air is mild. The band stays quiet.
The whole instrument
One band. One price. Nothing to add.
No subscription. No app to abandon. No screen to break. It ships ready, reads on-band, and pulses before the heat wins.
Open the public CAD ↗Bulk & B2B
Kit out a crew.
For sites, event teams and safety programs — HeatSafe ships in volume. Tell us your headcount and we'll quote it.