Solar Powered Floating Digital Pool Thermometer

Think outside the pool space: fun in the bathtub or at the beach, wherever water happens.

From the website:

Floating Digital Thermometer

Displays your pool's water temperature, updated every 10 seconds.

Powered by the sun (no batteries needed) to display the temperature of water 5" beneath the surface.

Large, easy-to-read digits can be set to Celsius or Fahrenheit and record
maximum and minimum temperatures between resets.

Anchor cord included — or let it free float.

3" diameter, 5-1/4" long overall.

Auto shut-off after one hour.

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Waterproof — the way it should be.

But then — it would be, wouldn't it?

Never mind.

$24.99.