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💧 Stay Dry, Stay Ahead — Leak Detection That Works While You Relax
The SwitchBot WiFi Water Leak Detector is a compact, hub-free smart sensor that instantly alerts you via app and email when leaks or drips are detected. Featuring ultra-sensitive probes detecting water levels as low as 0.5mm, a 1-meter extended sensor cable for versatile placement, and a powerful 100dB alarm, it safeguards your home from water damage. Its IP67 waterproof casing and 24-month battery life make it a reliable, low-maintenance solution for modern smart homes.















| ASIN | B0CRRMD559 |
| Battery Description | Lithium |
| Battery description | Lithium |
| Best Sellers Rank | 11,759 in DIY & Tools ( See Top 100 in DIY & Tools ) 2 in Water Detectors |
| Brand | SwitchBot |
| Colour | White |
| Compatible Devices | Various Smart Home Devices and Voice Assistants |
| Compatible devices | Various Smart Home Devices and Voice Assistants |
| Control Method | App |
| Country of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 1,511 Reviews |
| Included Components | Water leak detector with sensor cable |
| Item Dimensions L x W x H | 5.9L x 2.5W x 5.9H centimetres |
| Item Highlight | 100dB Water Alarm, App & Email Alerts, IP67 waterproof, no hub, detects leaks/drips/water level, 2. |
| Item Type Name | Detector with sensor cable*1 |
| Item Weight | 68 Grams |
| Manufacturer | Wonderlabs |
| Maximum Range | 1700 Feet |
| Model Number | W4402010 |
| Mounting Type | Tabletop Mount |
| Number of Batteries | 1 A batteries required. (included) |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | W4402010 |
| Power source | Battery Powered |
| Product dimensions | 5.9L x 2.5W x 5.9H centimetres |
| Sensor Technology | Water Level Sensor |
| Shape | Detector with Cable (1 Pack) |
| Sound Level | 100 Decibels |
| UPC | 810150540468 |
| Unit Count | 1.0 count |
| Voltage | 3 Volts (DC) |
M**Z
Reliable and Easy-to-Use Water Leak Detector!
⭐⭐⭐⭐⭐ Reliable and Easy-to-Use Water Leak Detector! The SwitchBot WiFi Water Sensor is an absolute game-changer for home safety. I was looking for a reliable water leak detector that didn’t require a hub, and this device exceeded my expectations. Setup was incredibly simple—it connected to my WiFi in minutes, and the app interface is intuitive and user-friendly. I love that I can get instant notifications on my phone whenever the sensor detects water. It gives me peace of mind, especially for areas like under the sink and near the water heater. The sensor is compact and well-built, with excellent sensitivity to even small amounts of water. I tested it with a few drops, and it alerted me immediately! It’s also great that there’s no need for a separate hub, which makes it a cost-effective option. This is a must-have for anyone who wants to prevent water damage in their home. Highly recommend!
G**E
The Water Sensor that you can rely on - Switchbot.
First off, the price - it's good. SwitchBot have made a solid, well designed, clean and functional device. I love the small variance in the sensors. The detection pins are located on both sides of the unit. One set are flush and one slightly indented. This alters the moment of detection, which is a nice, subtle touch. And the extra sensor tail means that the single device can monitor two locations at the same time. So, for example, I have the unit in the drip tray and the external sensor on the floor. This covers several potential failure points in my watering system. It was so easy to connect to wifi. No extra hub is needed and the Switchbot app gives some nice functionality. Changing the volume of the siren, duration and interval gives some nice control options, and (this is the best bit), this little unit can be flipped into a water level warning sensor. This is a cool function for those alternate scenarios. So, to conclude. I looked at the options and chose Switchbot because they make quality smart devices that perform to their specifications and they are reliable. They also integrate seamlessly into my home both technically and aesthetically.
S**W
SwitchBot Wi-Fi Water Sensor Works really well
The SwitchBot Wi-Fi Water Sensor is an impressive device that combines convenience, reliability, and smart home integration to give you peace of mind when it comes to potential water leaks. Here’s my breakdown after using it for a few weeks: Design and Build The sensor has a sleek and compact design that easily fits in tight spaces like under sinks, near washing machines, or around water heaters. It feels sturdy and well-made, capable of withstanding minor mishandling. Ease of Setup Setting up the SwitchBot Water Sensor is incredibly simple. The device pairs effortlessly with the SwitchBot app, and the step-by-step instructions are clear. It connects via Wi-Fi, so you don’t need a separate hub, which is a big plus. Performance The sensor is highly sensitive and reliable. During my tests, it detected even small amounts of water quickly. The dual detection system, which senses both water and high humidity, is a fantastic feature for versatile monitoring. The notifications sent to my phone were instant, allowing me to address potential issues promptly. Battery Life Powered by AAA batteries, the sensor boasts an impressive battery life of over a year, depending on usage. The app conveniently notifies you when the battery is running low. Smart Home Integration One of the standout features is its compatibility with Alexa, Google Assistant, and other smart ecosystems. I’ve set mine up to trigger routines, such as turning off my smart water valve when a leak is detected. The integration works flawlessly. Value for Money Priced competitively, the SwitchBot Water Sensor provides excellent value, especially given its accuracy and smart home capabilities. It’s an affordable insurance policy against potentially costly water damage. Pros: Compact and durable design. Quick, reliable water detection. Easy to set up and use. No hub required (Wi-Fi enabled). Smart home integration with automation support. Long battery life. Cons: Limited color options (only available in white). Slightly higher initial cost compared to basic water sensors, though justified by features. Final Verdict The SwitchBot Wi-Fi Water Sensor is a must-have for any smart home enthusiast or anyone concerned about water leaks. Its reliability, ease of use, and excellent integration make it a standout choice in its category. Whether you want to safeguard against leaks or add another smart gadget to your home, this sensor won’t disappoint. Rating: 4.8/5
C**H
Water leak alarm
This item is just what I needed. As my boiler is installed in my loft. I've tested it, and it works superb. Being in the loft, u can't hear the alarm very well. This is where the wifi feature is the top key. So if a leak was to happen, it sends the notification to my mobile phone no mater where I am. All tested and fitted by myself. I recommend this item 100% Thank you. Bless
S**I
Good leak alert
Neatly packaged like opening a high end mobile phone and contents did not disappoint. Easily connected to wifi with the switchbot app and just works as it should. Battery state shown on app and good alerts on phone/ tablet etc. Audible alarm is not loud but grabs your attention. My main requirement is phone alert and it does that admirably.
M**E
Very easy to install and works well
Very easy to install and the app is great, I have tested this and it will alert on only a small amount of water being present.
M**N
Smart Home early warning against leaks
We installed an in-line water filter with fawcett under the sink, but the hose popped off and leaked into the cupboard, fortunately within hearing range, so I bought this to integrate with my Smart Home. It's simple to install, and can be set to trigger an alarm if it detects water for leaks, or to detect a lack of water for things like aquariums where no water equals dead fish. The second sensor is useful for a kitchen cupboard, as it allows you to detect water on both shelves thanks to about a metre of cable between the body and the 2nd sensor, in case the liquid misses one of them. Setup is easy too, as long as your phone is close enough to register, and it reports home whenever it is triggered, so you can see a history of events, which hopefully won't be too long.
A**H
Good if you are available to re-attach it to the WiFi regularly.
The app (iPhone version) works well and was easy to connect to the sensor. The installation was easy and it connected to my WiFi/Internet without issue to allow me to monitor water leakage. I had some issues with it staying connected to the WiFi, but has now been resolved by customer services.
M**O
Monitoraggio preciso del livello dell’acqua
Ho acquistato lo SwitchBot Sensore d’Acqua WiFi per monitorare il livello dell’acqua all’interno di due pozzi e prevenire il rischio che salga troppo. Dopo settimane di utilizzo, posso confermare che è un dispositivo affidabile, preciso e perfettamente adatto a questo scopo. Design compatto e resistente Il sensore è piccolo e discreto, ma allo stesso tempo robusto e resistente all’umidità, ideale per un utilizzo in ambienti esposti all’acqua. Grazie al design minimalista, è stato facile posizionarlo nei punti strategici all’interno dei pozzi senza ingombrare. Installazione semplice e immediata La configurazione è stata molto semplice: dopo averlo posizionato nei pozzi, l’ho collegato all’app SwitchBot in pochi minuti. La connessione WiFi e Bluetooth è stabile e non ho mai riscontrato problemi di disconnessione. Rilevazione accurata e notifiche istantanee Il sensore rileva con precisione quando il livello dell’acqua raggiunge un determinato punto e invia notifiche istantanee sullo smartphone. Questo mi permette di intervenire subito e prevenire eventuali problemi legati all’innalzamento eccessivo del livello dell’acqua. Integrazione con la domotica Ho integrato il sensore con il mio sistema smart, permettendomi di monitorare la situazione in tempo reale e, se necessario, attivare azioni automatiche come avviare una pompa di drenaggio. Il supporto per Alexa e Google Assistant lo rende ancora più versatile. Batteria a lunga durata Le batterie garantiscono un’ottima autonomia, il che è fondamentale per un utilizzo in un ambiente come un pozzo, dove la manutenzione deve essere ridotta al minimo. Rapporto qualità-prezzo Per il prezzo, lo SwitchBot Sensore d’Acqua WiFi è un’ottima soluzione per chi ha bisogno di monitorare livelli d’acqua in ambienti specifici. Preciso, affidabile e facile da configurare, offre un ottimo rapporto qualità-prezzo. Conclusione Se cerchi un sistema smart per monitorare il livello dell’acqua nei pozzi e ricevere notifiche in caso di superamento della soglia, lo SwitchBot Sensore d’Acqua WiFi è la soluzione ideale. Affidabile, facile da installare e altamente integrabile con la domotica, è un acquisto consigliato per chi vuole tenere tutto sotto controllo in modo smart!
A**R
Works great
I had purchased the water sensor with the long sensor cord for my sump pump. I wanted to get alerts as the water was rising but before it spilled out onto the floor. The sensor having a long cord allowed me to do this. Most sensors have to have contact with the water on the sensor body in order to get an alert. I was also searching for a product that gave push notifications without a monthly subscription fee. The switch bot leak detector accomplished this. So far has been a great/ reasonably priced product. The setup was also very simple. Thanks!
J**A
AMAZING PRODUCT
initial issue: I placed the batteries, and tried the sensor cable, it straight up doesn't work, the sensor on the front of the device does, but no the back and the sensor cable, useless Edit: there are tiny pins behind the device, if you realize that your cable doesn't work either, push the pins forward with something and put the cache back on this device is amazing, you get an alarm that you can tone down or straight up disable it, and still have the notifications on your phone, i use it in a 70L trash bin that i use to store water for aquarium water changes that i have marked with different quantities of water (20,30,40,50,60L) i placed the cable sensor in and hold it with a magnet on the exterior so i can adjust the height of it and get a notification when my RO water reaches the desired amount of water i need
N**S
Great
If you are looking for an easy, reliable way to protect your home from unexpected water damage, the SwitchBot Water Leak Detector is a great choice. What Makes It Great: No Hub Required: Unlike many smart sensors that force you to buy an expensive gateway, this detector connects directly to your home Wi-Fi and Bluetooth right out of the box. Instant Alerts: The moment it senses water, it triggers a loud 100dB alarm on the unit itself while simultaneously sending notifications to your phone and email. Smart Design: It features highly sensitive sensor prongs on both the top and bottom of the device. This means it catches everything from a slow puddle forming on the floor to an active drip coming from a pipe above. Built to Last: It has an IP67 waterproof rating and runs on two standard AAA batteries that last up to 24 months. The Verdict: It is compact, incredibly easy to set up, and gives you instant reassurance under sinks, near washing machines, or in the basement. It is an affordable little gadget that can save you thousands of dollars in home repairs. Highly recommended!
な**み
過去の経験から安心する材料として必須!
以前、トイレで水漏れが発生し、家の中が大変なことになってしまった経験があるため、今回このSwitchBot水漏れセンサーをトイレに設置しました。 突然の水漏れは被害が大きくなりがちで、特に水回りの問題は予想がつかないため、一度でも経験すると「次は絶対に防ぎたい」と強く思います。水漏れに気付いたときには手遅れで、床材の交換などに手間もコストもかかり、精神的な負担も相当なものでした。 この水漏れセンサーはWi-Fi接続でリアルタイムにアラート通知が来るのが特徴で、家の外にいてもすぐに確認できるのはとても安心感があります。設定もアプリからできるので手軽で、必要な箇所に複数のセンサーを置くこともできるため、トイレのほか洗面所やキッチンにも追加を検討中です。反応の速さについても驚くほど敏感で、設置後に軽く触れただけでアラートが届くなど、信頼できる検知力を感じました。 ただし、使ってみて気付いた課題もありました。 お風呂で試しに使用しようとした際に、アラートのプッシュ通知が止められなかったです。センサーが一度水漏れを検知すると、その場所が完全に乾燥するまでアラートが続いてしまいました。 今回はトイレで使用するのが目的だったため、私のようにトイレや洗面所などの水回りにはで使用するのは非常に有効なため特に気にしていませんがご参考までに。 水漏れは予想外に起き、放置すればさらに被害が広がることから、こうしたセンサーで早期発見できることは確実に安心感をもたらしてくれるのでうれしいです。 トイレや洗面所など、普段あまり確認しない場所でも状況がすぐにわかるので、何事もないことが一番ですが、安心材料として今後も使用していきたいです。
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