WiFi Temperature Sensor Smart Thermometer: Digital Temperature Monitor Gauge with Waterproof External Probe, App Alert & Buzzer Alarm, Rechargeable Battery, for Freezer, Refrigerator, Fish Tank

I'll start this review with a warning: I am a geek and don't apologise for that. We have recently moved house and have an air source heat pump and sometimes the hot water seems tepid instead of hot. I wanted some way to monitor the water temperature in the hot water tank 24/7 and this promised to do exactly that. The setup was easy: install an app, pair the device with your phone, connect to the home WiFi and it was working. I installed it in a stat pocket in the tank (designed for this exact purpose) and it all works. The probe goes into the pocket and the meter attaches to the tank magnetically. It has a very obvious and bright red display (no problem for me as my water tank is in the garage but if this were in my bedroom at night it would drive me mad). It all couples to the Tuya IoT platform so I can actually monitor it myself and control other parts of the system based on its output.

I needed to remotely monitor the central heating flow temperature of a communal heating system and this product fulfilled all my requirements perfectly.It was extremely accurate and matched the controller temperature measurement without any need to offset the temperature in the app.It connected easily to a distant WiFi router and has so far not lost the signal.It connected seamlessly to the Smart Life app I already had on my phone.Not sure if it's a function of the temp sensor or the app but it it displays a very useful temperature/time graph.I would highly recommend this product.

Took two/ three goes to pair device but so far it working great, brilliant display with back ground light. Fitted 13 amp socket in my hot press so I could keep USB lead connected so I didn’t need to use just the battery & thus worry about having to charge. Got it connected to Alexa but waste of time as I was hoping that Alexa could advise on temperature reading, this option was not available so I don’t see what use Alexa is?I connected device to my existing smart home app and device worked first time. I now have smart switch on control of my hot water system and now temperature reading all from my mobile phone.

I brought this as I wanted to remotely monitor the temperature of my hot water tank.Easy to install, worked first time and temperature seems to be reasonably accurate.Paired it with “Smart Life” app and now I can see the tank temperature remotely.Important note, that this unit does require an external power supply for continuous operation.

I've set this up with a cheap portable sim modem to monitor and alarm if the temperature in my motorhome goes too high or low for my dog. It's great and reliable.

I’ve read the reviews of this sensor and they don’t make sense. The only way you can measure the accuracy of water temperature of a water tank is if the pro is actually touching the water. If you put this against your hot water tank, it’s probably going to be 20 to 25° below what the water actually is in the tank. I’m certain that this item is not being advertise correctly it is no good for measuring hot water in a tank If it cannot touch the water. It doesn’t matter whether you push it through the insulation on the outside of the tank it’s not going to Work.

I liked that is small, with a bit of autonomy/battery, but after about 3 weeks it started going offline every now and then.Now is completely offline and I doesn't want return. Unfortunately the unit is in another country and I can't return it.

We’ve got a pressurised hot water tank fed (over quite a distance) from an LPG boiler. There was no way to really know if the water was hot enough (or how much of it) for a bath or shower, without running the tap for ages and finally deciding yes or no. The internal thermostat could call up hot water, but having this on 24/7 is excessive when on LPG. And doing timers always seemed to not work out for us.I’ve fixed the probe of this device to the tank metal about midway up (seemed to be a good compromise to detect the hot/cold boundary) and run some experiments to work out what readings were relating to what level of hot was present. When a shower is called for, we now simply ask Alexa how hot the tank is, and to boost Hive as required. Easy and saves the family double heating or running loads of water to see if it’s warm or not. Already helped on the bills.

Tut was es soll. Zeigt die Temperatur meines Wasserkessels an und ich kann unterwegs schauen ob das Wasser für ein Bad noch warm genug ist wenn ich nach Hause komme. Da ich meinen Ofen auch von unterwegs verwalten kann ist es eine gute Investition.

Ottimo prodotto. estremamente preciso nella m isurazione rapidissimo nella connessione. Unica pecca è la durata della batteria, veramente limitata. Ho ovviato collegandolo stabilmente all'alimentatore

Bought to give warning when wood burner water temperature gets too high and it works pretty well with the temperature probe clamped to the burner water outlet. The probe cable is a bit short so the device is quite close to the hot wood burner but so far it hasn’t melted. Would be nice if a probe cable extension was available but so far I haven’t found one. Would also be nicer if there was a physical button on the device or a way via the app to acknowledge the alert.

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Bad product, don t buy.