ThermoPro Waterproof Wireless Indoor Outdoor Thermometer for Swimming Pool, Upgraded IPX8 Water Temperature Monitor Floating for Hot Tub, Cold Plunge, Ice Bath, Pond
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Features
- High Acurracy: This floating pool thermometer features highly precise sensor, accurate to 0.9F(.0.5C) in the temperature range of 32F to 140F. Sensor temperature range: -40F-158F, suitable for ice bath tubs, cold plunge, babybath, hot springs and aquarium
- 500FT Long Range: With RF technology for more stable connectivity, this pool temperature thermometer allows you to monitor the pool temperature outdoors from your house up to 500FT, checking the pool temp without going outside!
- Large Backlit Display: Pool thermometer wireless with temperature and humidity monitor features large digits and backlight to ensure easy reading even in dim light conditions; All time/24 hours max and min record helps you track temperatures throughout the day!
- More Durable Sensor: Floating thermometer for pool is designed with lPX8waterproof and high-quality ABS materials, ensuring it can withstandexposure to pool water and various weather conditions for long time! Ensure mental parts are properly aligned and press them together firmly to ensure waterproof performance (Antenna, signal light and rope hole will be aligned.)
- Easy to Use: The pool temp floater and receiver are automatically paired, making it go straight out of the box for use, no more tedious setup! Powered by 3A batterys (included)
- New Version: Upgrade a "Mode" button to toggle between pool and hot tub settings, ensuring precise comfort indicator for your family to enjoy the water play safely and comfortably
Brand: ThermoPro
Special Feature: Waterproof
Color: Blue
Age Range (Description): Adult
Included Components: 1 x Receiver, 1 x Transmitter, 1 x Rope, 4 x AAA Batteries, User Manual
Outer Material: Plastic
Specification Met: FCC
Display Type: Digital
Connectivity Technology: RF Technology
Product Care Instructions: Hand Wash Only
Additional Features: Waterproof
Display Type: Digital
Connectivity Technology: RF Technology
Power Source: Battery Powered
Number of Batteries: 4 AAA batteries required. (included)
Upper Temperature Range: 158 Degrees Fahrenheit
Response Time: 50 seconds
Reusability: Reusable
Immersion Depth: 7.9 Inches
LowerTemperature Range: 32 Degrees Fahrenheit
Indoor Outdoor Usage: Outdoor
Outer Material: Plastic
Product Care Instructions: Hand Wash Only
Specification Met: FCC
Brand Name: ThermoPro
Age Range Description: Adult
Included Components: 1 x Receiver, 1 x Transmitter, 1 x Rope, 4 x AAA Batteries, User Manual
Model Name: outdoor thermometer
Model: outdoor thermometer
Manufacturer: ThermoPro
Part Number: TP211B
Color: Blue
Style Name: Pool Thermometer
Unit Count: 1.0 Count
Item Length: 7.9 Inches
Frequently asked questions
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Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
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View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Good value in a useful product where the temperature reading of a pool, spa or other facility is desired remotely, indoors, for example. We had no way to check the calibration, but its readings gave no reason to be doubted. Just installed--no indication of its longevity, but the internals appear to be very well made. One caveat: keep the threaded ring on the remote sensor tight or moisture may get in and disrupt its operation. If the pool has a cover, we suggest cutting a clearance opening in it to keep the remote unit exposed to the atmosphere, again to minimize the chance of moisture intrusion. Update: Unit worked very well for 2-3 weeks, then stopped communicating the temperature. Opening the pool unit revealed a troubling issue--water inside. We tried drying it out, which enabled it to work for a while, but then more water got in. We could not determine where the leak was, so sadly, just tossed it. Too bad the water sensor doesn't like being in the water!
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Reviewed in the United States on February 8, 2025 by Amazon Customer
I bought two of these in the last 6 months and both of them have failed within 2 months. . The reading is anywhere from 10-20° higher than the actual temperature. Don't waste your money!
Reviewed in the United States on May 3, 2026 by Theresa Foltz
UPDATED: So after my initial post in February, the company reached out to me to offer me a free replacement and received it shortly after. The replacement has been working flawlessly ever since without issue. This company was proactive in making sure that customer satisfaction is a top priority. Changed my rating to 5 stars. ORIGINAL POST: Purchased this 3 months ago and it worked seamlessly until today. The display started to show the numbers broken up and then the receiver was unable to show the water temp. I thought perhaps the batteries needed to be replaced (which I did) and still nothing. All the receiver displays now is the air temp and humidity. The seal was tight and no water made it into the transmitter. So very disappointed and the return window is closed. Going to the trash and will need to find another alternative.
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Reviewed in the United States on February 26, 2025 by P. Perez
Another floating pool thermometer bites the dust. I've tried several of these from different companies. Not a single one lasts. This one lasted barely a year, and it taken out of the pool and batteries removed for the four months we're away each in the summer, so at most 8 months in use. Usually they just die. This one reports nonsensical readings. If my pool temp was 26 degrees, it would be a block of ice. Not likely in Florida. Even when this thing did work, it was cranky and wouldn't always communicate with the base even though it's only about 40 feet away and separated by nothing but a pane of glass. And it has new, confirmed good batteries, there is no dirt or corrosion on the sensing contacts, no water inside, ... And yes, it's Fahrenheit, not Celsius.
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Reviewed in the United States on November 8, 2025 by Amazon Customer
First off, love this device and it does exactly what I needed. Accuracy of temperature indicated seems good as it agrees with my other two thermometers. Problem is, almost exactly one month after put into use it suffered water intrusion and stopped working. The pool device was not abused or taken down to the bottom of the pool--not played with by kids. Still, water intrusion is visible in digital display on top and repair seems like a lost cause. If manufacture could figure out a way to better seal this device, they would have a home-run. UPDATE 7/21/25: have to commend Amazon/Manufacturer on excellent return and re-ship experience. Just two days after item failed, I have returned the defective item and received a replacement! Replacement is in use now and working fine. Will see if the prior leakage was a one-off.
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Reviewed in the United States on July 19, 2025 by Texas Pete
Excellent! Bought this unit to replace a different brand that was defective. Extremely satisfied with this unit, I have the temperature sensor in the skimmer box of our inground concrete pool and the receiver unit on the refrigerator in the kitchen, at least 50'. Works great, no connection issues,very accurate, large numerals. Very easy set up right out of the box. Couldn't be more satisfied. Unlike the previous brand that we had for a while but then the sensor began to leak. Contacted their customer service and their only response was "it's out of Warranty ". It probably only needed a new gasket, but no, they were of no assistance. So I wrote a negative review for their product on Amazon. So in conclusion, I am very happy with this pool thermometer and highly recommend - plus their product description mentions that they have excellent US based customer service, hopefully I won't need it...
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Reviewed in the United States on May 2, 2025 by Amazon Customer
If it wasn't useful for the period of time we had it, I would give it a 1 star. While it worked, it was nice to see and easy to use and read the remote readings. Connectivity of device seemed solid when it worked. The size was perfect and conveniently floating to indicate pool temp. Other than that, seems the thermocouple fails like others where changing batteries doesn't fix it. You'll know when it begins to fail because for room temp out of water the device was reading -20. One day when our pool was 65 degrees, the device was reading 32. Out of mechanical curiosity I disassembled just to investigate further. The two leads were still firmly attached and all intact. The electronic housing was still in good or new like condition. There truly was no external indicators why it failed. There was no moisture ingress, it was perfectly dry in the housing. I'd give 3 or 4 stars if it lasted longer, like 2 or 3 years. But some like mine dying so soon, you really need to do better with your reliability.
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Reviewed in the United States on March 28, 2026 by Summer.sausage8
I would not buy this pool thermometer. Mine lasted longer that other reviews, but after 13 months it stopped working. Have changed the batteries on the thermometer and the console and cleaned everything, to no avail. Definitely do not recommend. Now looking for another one.
Reviewed in the United States on March 28, 2026 by Maui Kane