Termómetro de piscina

A wireless pool thermometer is a floating waterproof sensor that measures your water temperature and beams it to a small receiver you keep indoors, so you know exactly how warm the pool is without walking outside to check. Set the floater in the water, keep the receiver on the kitchen counter, and one glance tells you whether it's warm enough to swim or whether the heater needs more time. If you own a pool, hot tub, spa, or cold plunge, it saves you the trips outside and helps you run the heater only when you need to, which saves energy too.

Pick by power source and what you want on screen:

• Best-seller, pool + indoor on one screen: the TP211B floats an IPX8 sensor and sends readings up to 500 ft to a backlit indoor receiver showing pool temp alongside room temp and humidity, no app. Adds pool/hot tub mode, 24-hour/all-time records, and value/2-packs.
• Solar-powered, never change the floater's battery: the TP212 charges in daylight, refreshes every 5 seconds, and uses extra UV-resistant materials for all-season sun, though it shows water temp only.

Yes! The floating sensor is IPX8 rated for full submersion and ultrasonic-sealed to keep water, fog, and leaks out, so it lives in the water without failing. The shell is high-quality UV-resistant ABS built to handle chlorine, sun, rain, and cold without fading or cracking. Leave it floating all summer, and it just keeps reporting.

Yes, that's the whole point. The floater transmits up to 500 feet to the indoor receiver, so you can check your pool or hot tub from the kitchen, the living room, or the bedroom without stepping outside. One honest note: walls, glass, and metal shorten real-world range, so if your pool is far from the house or behind thick walls, keep the receiver near a window facing the pool for the strongest signal.

Plenty. With a wide -40°F to 158°F range, the same thermometer handles a heated pool, a hot tub or spa, a cold plunge or ice bath, a koi pond, an aquarium, or even a baby's bath. It's especially handy for cold plunge and ice bath fans who need to hit an exact temperature, and the TP211B's pool/hot tub mode gives the right comfort guidance for each. Just note the sensor is built for water, not air, so it's not meant to measure outdoor air temperature.

You choose. The best-selling TP211B runs on standard batteries, simple, reliable, and easy to swap. The TP212 is solar-powered with a built-in rechargeable cell in the floater, so it tops itself up in daylight and you never replace the floater's battery, which suits a pool that stays open all season. Both keep the indoor receiver on easy-to-find AAA batteries. Most owners go with the TP211B for its dual pool-and-indoor display; choose the TP212 if maintenance-free solar power is your top priority.

The best-selling TP211B does, and it's a big reason people choose it: the receiver shows your water temperature right next to indoor room temperature and humidity, giving you the full picture at a glance. The TP212 focuses purely on water temperature and updates it every 5 seconds for near real-time readings. Both are accurate to ±0.9°F across their full range and keep 24-hour and all-time high/low records, so you can see when the pool was warmest during the day.

For most pool owners, a receiver-based model like the TP211B is simpler and more reliable. Everything shows on the dedicated indoor display: no app to download, no account, no Wi-Fi to configure, and no phone battery to drain, so anyone in the family can glance at it. App-connected pool thermometers add value only if you specifically want to check the water from miles away or get phone alerts. If you mainly want to know the temperature from inside your own home before you head out, an RF receiver model does exactly that with far less fuss.

It comes down to convenience. A basic floating thermometer works, but you have to walk out to the pool and fish it out to read it every single time. A wireless model like the TP211B sends the reading straight to a screen inside your home, so you check it in a second, decide whether to swim, and run the heater only when it actually pays off. For anyone who checks their water regularly or heats their pool, the trips and the energy you save quickly make the wireless version worth it.

TempPro (formerly ThermoPro) has sold millions of thermometers and is trusted for accurate, affordable monitoring. Our wireless pool thermometers pair an IPX8 fully waterproof floating sensor with a 500-ft range, ±0.9°F accuracy, and a backlit indoor receiver, with no app required, and the best-selling TP211B uniquely shows pool and indoor conditions on the same screen. Order direct and you also get a 30-day money-back guarantee, free shipping over $30, lifetime customer support, and value-pack bundle deals you won't find on marketplaces.