Rojuna mini thermometer hygrometer with digital display for quick indoor temperature and humidity checks
Rojuna compact hygrometer provides accurate readings to monitor home humidity levels
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Rojuna 10-pack small hygrometers for easy monitoring of multiple rooms

Rojuna

Rojuna 10-Pack Mini Thermometer Hygrometer — Compact Digital Temperature & Humidity Meters for Greenhouse, Fridge, and More

High-performance patio lawn and garden made for confident daily results

$29.02

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Why customers choose Cera Garden

Compact climate insight for every space

The Rojuna 10-Pack Mini Thermometer Hygrometer combines a small round design with a clear digital display, giving you quick temperature and humidity readings wherever you need them. Perfect for greenhouses, gardens, cellars, fridges, and even mason jars, these meters fit discreetly into daily routines while providing reliable data at a glance.

Living or working spaces benefit from a simple view of ambient conditions. These devices offer timely clues about environment shifts, helping you respond to changes with informed, practical actions rather than guesswork.

What you get

  • 10 x Small Hygrometer Thermometer

Key features

  • Mini round digital design for unobtrusive monitoring of indoor conditions
  • Fahrenheit or Celsius display with a recessed switch accessible by a paperclip
  • Integrated sensors track humidity and temperature across rooms
  • Temperature range from minus 58 to 158 F and minus 50 to 70 C; humidity 10 to 99 percent RH
  • Accuracy around plus or minus 2 F for temperature and plus or minus 5 percent RH for humidity
  • Refreshes readings every 10 seconds; powered by a small LR44 cell in a PVC housing

Real world uses

  • Greenhouses and herb racks to monitor air and microclimates
  • Fridges, pantries, and cellars to protect perishable items and storage conditions
  • Home offices, kitchens, classrooms, and workshops for quick status checks

Note for setup: there is a small C F switch hole in the case. Use a paperclip to press the circuit through the hole to toggle units.

FAQ

Q: What is included in the Rojuna 10-Pack Mini Thermometer Hygrometer kit?

A: Ten compact meters designed for versatile indoor climate monitoring.

Q: How do I switch between Celsius and Fahrenheit on these devices?

A: Press the hole marked C F with a paperclip to toggle units.

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