X-Sense STH51 Smart Thermometer Hygrometer
OUTFITTER FEATURE · X-SENSE

X-Sense STH51 Smart Thermometer Hygrometer

Small temperature and humidity sensor that works with the X-Sense app and base station. Handy for watching a basement for dampness or a cabin for freezing temperatures while you are away.

✓ What We Like
  • Verified build quality
  • Practical Midwest design
● Keep in Mind
  • Check current X-Sense stock and seasonal bundle sizing before ordering

Affiliate disclosure: we may earn a commission if you buy through this link, at no extra cost to you.

Promo CodeXSENSEAF1212% Off Your Entire Order w/ CodeOfficial X-Sense affiliate code — use XSENSEAF12 for 12% off your whole order on smoke, CO and leak detectors. Valid through Dec 30, 2026. (verified 2026-11-02)
View on X-Sense →About $15 for one or $21 for a 2-pack at time of writing; check current price.

Featured in our guide: Home Safety Essentials for New Homeowners: Detectors, Locks and Leak Alarms.