ThermoPro Waterproof Wireless Indoor Outdoor Thermometer for Swimming Pool, Upgraded IPX8 Water Temperature Monitor Floating for Hot Tub, Cold Plunge, Ice Bath, Pond
Condition: New
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Extended holiday returns
FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
Only 10 left in stock, order soon!
Arrives
Friday, Dec 26
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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
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
Unit Count: 1.0 Count
Power Source: Battery Powered
Model Name: outdoor thermometer
Number of Batteries: 4 AAA batteries required. (included)
Item Length: 7.9 Inches
Upper Temperature Rating: 158 Degrees Fahrenheit
Response Time: 50 seconds
Reusability: Reusable
Immersion Depth: 7.9 Inches
Lower Temperature Rating: 32 Degrees Fahrenheit
Style: Pool Thermometer
Indoor/Outdoor Usage: Outdoor
Manufacturer: ThermoPro
Item Weight: 15.5 ounces
Item model number: outdoor thermometer
Batteries: 4 AAA batteries required. (included)
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Dec 26
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
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
Style: Pool Thermometer
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
Style: Pool Thermometer
I just returned the 2nd of these devices. The first one died after 6 months, likely due to a dead battery. I was unable to open the battery compartment, even with 2 over-sized wrenches. The 2nd device malfunctioned after less than a week of use. I tried changing batteries, but still no go. The device would show the water temperature as would any pool thermometer, but it would not send information to the base unit, I will try a similar device from a different vendor, hoping that it is not from the same vendor operating under a different name.
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Reviewed in the United States on December 1, 2025 by ScubaDoc
Style: Pool Thermometer
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
Style: Pool Thermometer
Lasted 6 months. Showing error and display screen is slightly foggy inside. Well on its own not a deal breaker because 99 times out of 100 do you read the display from the receiver but this indicates to me why it's showing an error code it's not 100% waterproof as other reviewers have described and sounds like there's a known issue with these lasting only a few months. Of course it's well past the return window and I feel like I wasted money I should have read the reviews first..
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Reviewed in the United States on December 8, 2025 by Giovanni Degarimore
Style: Pool Thermometer
I very much like this what this does, and rate it a 4 because it does exactly what I expect it to, so do not see a need to rate it a five. I wanted somehting to keep my pool water temp and outdoor air temp. this does that. There is a small removable magnet on the back that you can use to place this on a metal piece to hold it. I had perfect use for that, so that was advantageous for me. Update Well after less than 60 days the item failed. It no longer reports water temp. No idea why. Opened it up and no water entered the battery box and I changed the battery yet it no longer reports water temp. Second update. I called the manufacturer to trouble shoot the issue. They simply sent me a new sending unit. Cannot ask for much better customer service then that. Lets hope it lasts longer this time.
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Reviewed in the United States on April 25, 2025 by Richard E
Style: Pool Thermometer
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 P. Perez
Style: Pool Thermometer
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 Don Don
Style: Pool Thermometer
Does not last a season. I bought one in May. It worked great for 2 months, then started reading about 6 to 8 degrees high. I wrote Thermpro and they immediately mailed me a new one. That was worked great for about two months then it did the same thing. Again Thermpro sent me a third. These items cannot be calibrated. I guess maybe i can keep getting a new one every two months…not. You know, glad i have an old reliable simple thermometer floating in the pool.
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Reviewed in the United States on November 11, 2025 by Arco