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Fast Response and High Accuracy
This room thermometer and humidity gauge refreshes every 10 seconds to keep you updated on the latest change in your air condition to help you avoid discomfort. This inside thermometer with smart sensor provides precise readings that are accurate to ±1°F/°C for temperature and ±2%-3% for humidity.

Comfort Level Indicator
Always be aware of the changes in your home with just a quick glance at the comfort level icon. Know whether to dehumidify or humidify!

Large and Clear LCD Display
Features a compact LCD display with large bold digits, allowing you to clearly read the thermometer hygrometer from any angle and distance.

Long Battery Life
Indoor temperature and humidity monitor is powered by one powerful and commonly found 3A battery that provides 18-24 months of battery life and when you do need to change the battery, it’s easily replaceable.


ThermoPro Thermo-Hygrometer
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Customer Reviews
4.6 out of 5 stars 78,996
4.6 out of 5 stars 9,701
4.5 out of 5 stars 39,190
4.6 out of 5 stars 70
4.4 out of 5 stars 8,789
4.4 out of 5 stars 8,789
4.5 out of 5 stars 640
Price
$8.99$8.99
$19.99$19.99
$16.99$16.99
$13.99$13.99
$7.98$7.98
$9.99$9.99
$24.99$24.99
Size
2.2*2.6 inches
3.43*3.12 inches
4.33*3.45 inches
3.4*2.8 inches
2.17*2.09 inches
2.19*2.13 inches
2.62*3.60 inches
Temp Range
-58°F-158°F
-58°F-158°F
-58°F-158°F
-22˚F to 140˚F
-58°F-158°F
-4˚F to 140˚F
-4˚F to 140˚F
Humidity Range
10%-99%
10%-99%
10%-99%
10%-99%
10%-99%
10%-99%
10%-99%
Temp Accuracy
±1°F
±1°F
±1°F
±1°F
±1°F
±1°F
±0.5°F
Humidity Accuracy
2%-3% RH
2%-3% RH
2%-3% RH
±2% RH
2%-3% RH
±2% RH
±2% RH
Bluetooth
×
×
×
×
×
✓
✓
Cover Range
×
×
×
×
×
260ft
260ft
Backlit
×
✓
✓
×
×
×
✓
Placement Options
Stand,Magnet,Hanging Hole
Stand,Magnet,Hanging Hole
Stand,Magnet,Hanging Hole
Stand and Magnetic back
Stand,Magnet,Hanging Hole
Stand,Magnet,Hanging Hole
Stand,Magnet,Hanging Hole
Power Source
1 AAA Battery
2 AAA Batteries
2 AAA Batteries
1 AAA Battery
1 AAA Battery
1 AAA Battery
2 AAA Batteries
Face Icon Comfort Indicator: Humidity temperature gauge features face icons to indicate DRY/COMFORT/WET air conditions, quickly informs you how to adjust your humidifier or dehumidifier to achieve optimal comfort
Highly Accurate Sensors: This temperature humidity sensor features a high accuracy of +/-1°F/°C and +/-2% to 3%RH, making it ideal for measuring dynamic environments like greenhouses
Fast Refresh Rate: This digital indoor thermometer refreshes every 10 seconds to provide the latest updates for temperature and humidity readings
Compact Display with Large Digits: This digital thermometer indoor outdoor features a compact LCD display with large bold digits, allowing you to read the room thermometer indoor from any angle and distance
Multiple Placement Options: This humidistat has 3 placement options – Tabletop Stand / Magnetic Back / Hanging Mount, place the wall thermometer anywhere you wish such as living room, baby room, kitchen, greenhouse, guitar room, office or cellar
13 reviews for ThermoPro TP49 Digital Hygrometer Indoor Thermometer Humidity Meter Room Thermometer with Temperature and Humidity Monitor Mini Hygrometer Outdoor
Add a review
Original price was: $12.99.$8.99Current price is: $8.99.

Nosey Rosey –
Worked really well! Glad I got it. Very accurate
★★★★★ Simple, Accurate, and Perfect for My Whelping RoomI bought the ThermoPro TP49 Digital Hygrometer/Indoor Thermometer to monitor temperature and humidity in my puppy room, and it has been such a great little tool. When you’re raising a litter, especially newborn Golden Retrievers, keeping the environment stable is so important — and this makes it incredibly easy.The display is large, clear, and easy to read from across the room. I love that it shows both temperature and humidity at the same time, and the comfort indicator (dry/comfort/wet) is a quick visual check when I’m busy with puppies. No complicated setup — just pop in the battery and it’s ready to go.Accuracy has been solid. I compared it to another thermometer I had, and the readings were right in line. It updates quickly, which is helpful when adjusting room temperature or adding a humidifier. It’s small and lightweight, so I can move it around the house depending on where the puppies or mom are resting.For the price, this is a must-have if you’re monitoring a nursery, whelping box area, or even just your home comfort levels. Simple, reliable, and does exactly what it’s supposed to do. Highly recommend!
Amazon Customer –
Accurate
Works perfect. Accurate, Temperature and humidity both matched pre existing meters. Digital reading is large enough to read without difficulty. Simple to use, just insert the included battery and place it wherever you want
zil –
Nice, compact thermometer
Useful and helpful in determining temperature and humidity level. Would have been nice to include built in light so you could read it in the dark at night
Nancy –
These work for my small apartment
If you live in a place with radiators, often times during winter it’s very dry inside. I’ve gotten humidifier items to combat that issue. This item gives me pretty accurate information. If number for humidity falls below 30 on this meter, it’s time for more humidity. It is small so it’s not an eyesore. Didn’t cost very much, at all.
Will –
Cheap, tiny temp sensors that work reliably and are easy to move for spot checks.
I have a few of these now. They work as advertised. They’re great for keeping track of temperatures in specific spots, and the small size makes it really easy to move around and stick them in places that you intermittently need to keep an eye on. I use them for tracking the temperature around my 3D printer filament storage, as well as seasonally around specific rooms when I suspect we might have insulation issues, and when proofing bread where I need to keep the temperature within a certain range. They also feature a magnet on the back, which although it’s quite weak, does the job of sticking them around places. For ~$8, it’s handy to have a few of these lying around.
Marsha –
Works for Me
Sits on the desk, I look at it all the time. Easy to read, simple to use. I can see what the temperature is inside the area I monitor and inside the area where ThermoPro display is located. Well made, I expect it to perform well over the long term.
Steve –
Small, accurate, easy-to-read monitor
Compact but the display is clear and easy to read at a glance. Great for tracking comfort levels in a bedroom, office, or reptile room. It updates quickly and is simple to place anywhere. Nice little tool for keeping an eye on humidity.
Torquill –
It works, and keeps working
I bought one of these several years ago to keep tabs on a couple of unheated rooms in my house. I shifted it around as needed. It took several tumbles, endured low temperatures and high humidity, and ran out of battery a few times. It’s still working great, and I’ve positioned it in my office because it’s easy to read at a distance. Now I need another for the unheated spaces, and I know exactly what to get. The fact that it takes a standard battery rather than coin cells is a big factor too. It’s nice to have a device that you can set up and stop worrying about.
Franklin –
Stopped working right after the return period. Disapponting!
Geoffrey –
Super good quality and with a magnet
Hibiscus – Homeschooling mom sharing real-life reviews from our home. Rooted in presence. –
I purchased this in August 2023 for our home to monitor temperature and humidity levels, and after using it for over two years, I’m very impressed with how consistent and reliable it has been.Quality & First Impressions:Right out of the box, the display felt clear and well-designed. The numbers are large and easy to read at a distance, and the build feels lightweight but sturdy. The overall design is simple, clean, and intentional.Performance in Daily Use: In daily use, it has been:Accurate and consistent with temperature and humidity readingsFast to update whenever the room conditions changeEasy to place anywhere due to its compact sizeHelpful for maintaining comfort in different areas of the homeWe use it as part of our regular home rhythm, checking humidity during winter dryness and tracking temperature shifts throughout the day. It fits naturally into our routines and has helped us maintain a comfortable environment.Strengths:The features that stood out most are:Large, clear display — very easy to readReliable accuracy — readings stay consistentLightweight and compact — fits anywhereLong-term performance — still works perfectly after years of useComparison to Similar Items:We’ve tried a few humidity and temperature monitors before, and this one has been the most consistent. It feels intentional in its design and more reliable over time than others we’ve used.Who It’s Best For:Anyone looking for a simple, accurate, easy-to-read indoor thermometer and humidity monitor — especially families, organizers, or anyone wanting to track home comfort levels.Rating:5 stars — very happy with it.— Reviewed by Hibiscus, homeschooling mom rooted in presenceSimple, honest, presence-based reviews.
GT –
Good quality.Confirmed the measured values and all were correct.
Ahmet İzzet Nuroğlu –
Aralarında 0,2 derece fark var. Referans termometreme göre sırasıyla+0,4 ve +0,2 derece sapma var. Gayet makul değerler. Sıcaklık değişimlerine oldukça hızlı tepki veriyorlar. Rakamlar oldukça siyah ve okunaklı halde. Tavsiye ederim.