WhatTemp Sensor

Put your room’s comfort on the map.
In two minutes.

No smart thermostat? No problem. A tiny Wi-Fi sensor that plugs into any outlet and publishes your indoor temperature to WhatTemp, Google, and Maps — automatically, forever.

$29one-time · free shipping · free with annual Pro

Reserve yours →

📡

71°F

live · publishing

How it works

Plug it in

Any USB outlet. No wiring, no installer, no tools.

Connect Wi-Fi

Scan the code, pick your network. Sixty seconds.

You’re live

Your temperature appears on your listing and in search — and stays current on its own.

Why venues choose it

✓

Works anywhere

No thermostat, no building-management system, no contract required.

✓

Always accurate

A real, live reading — the same trust level as a connected thermostat.

✓

Your data, no strings

It’s our hardware, so your readings carry no third-party API restrictions.

✓

Set-and-forget

Publishes automatically. You never have to touch it again.

Reserve your sensor

No charge today — tell us where to ship and we’ll confirm your order with a secure payment link.

Reservation received.

Thanks — we’ve got your details. You’ll get a confirmation email shortly with a secure payment link and shipping timeline. Welcome to WhatTemp.

Put your room’s comfort on the map.In two minutes.