Your data. Your choice.

If you select «Essential cookies only», we’ll use cookies and similar technologies to collect information about your device and how you use our website. We need this information to allow you to log in securely and use basic functions such as the shopping cart.

By accepting all cookies, you’re allowing us to use this data to show you personalised offers, improve our website, and display targeted adverts on our website and on other websites or apps. Some data may also be shared with third parties and advertising partners as part of this process.

Best selling Hazard detectors from Shelly

This page always stays fresh and updates automatically.

1. Shelly Plus Smoke Alarm

Shelly Plus Smoke Detector - You will always be alerted, no matter where you are. The Shelly Plus Smoke is a wireless, battery-operated smoke detector that provides extra protection for your home, family, and pets. With its long battery life, high sensitivity, and Wi-Fi technology, you can continuously monitor your home for smoke, ensuring your family's safety, regardless of your location. Wi-Fi and Bluetooth connectivity: Simply connect the Shelly Plus Smoke to your Wi-Fi. No hub is required! 5 years of battery life: Thanks to our technology that reduces battery consumption, you can rely on a long lifespan. Sound and light signals: When smoke is detected, the Shelly Plus Smoke emits a loud alarm (over 85 dB) and a light alert. Easy installation: The Shelly Plus Smoke is wireless and can be easily mounted at any angle without restrictions. Instant notifications: The Shelly Plus Smoke will notify you immediately of dangers, no matter where you are. Smart scenarios: By connecting your Shelly Plus Smoke with other Shelly devices, you can set up custom scenarios. 

What our customers think

Pro

  • Replaceable battery
  • Receive alerts on your mobile via the app
  • Loud and disturbing

Contra

  • Commissioning was only successful with the help of a video on YouTube
  • Rather expensive
  • Integration into the app

2. Shelly Flood Gen4

The Shelly Flood Gen4 alerts you when water appears where it shouldn't - for example, under your water heater, dishwasher or washing machine. It has an innovative leak sensor cable that covers larger areas and detects leaks beyond a single point to protect your home in an unrivalled way. Multiple leak sensor cables can be linked together to increase the range up to 150 metres. Receive instant alerts directly to your mobile device and create safety protocols to protect your family and property. Shelly Flood Gen4 offers Wi-Fi, Zigbee and Bluetooth connectivity. It also has an integrated web interface that makes it easy to monitor, control and customise settings. 

What our customers think

Pro

  • Simple installation
  • Extendable up to 150m
  • Integration Matter

Contra

  • The cable
  • Sensor plug without a safety catch or screw cap

3. Shelly Water Leakage Sensor

The Shelly Flood S Gen4 is an intelligent water detector that detects even the smallest water leaks before they lead to costly damage. Instead of a sensor cable, it uses three large stainless steel pads integrated into the base, which detect even clean, low-conductivity water such as condensate from air conditioners or distilled water. Its ultra-slim design allows it to be effortlessly placed under appliances or in tight spaces. The sensor supports two modes – flood detection and rain monitoring – as well as three alarm profiles: intensive, normal, and economic. With an IP67 rating and an integrated buzzer, it offers both instant smartphone notifications and local alarm messages. Setup and control are easy via the Shelly Smart Control App or your preferred smart home system. The Shelly Flood S Gen4 is ideal for use under appliances, at faucets, or in drip trays and can be paired with a smart faucet to automatically shut off the water in case of a leak. 

4. Shelly Leck-Sensorkabel

External sensor cable for water detectors. Length: 2 metres.

5. Shelly Temperatursensor DS18B20

The Shelly Sensor Add On is a temperature sensor for the Shelly 1 and Shelly 1PM. To connect several sensors, you also need the Shelly Temperature Add On. Scope of delivery: 1 x Shelly Sensor AddOn, 1 x operating instructions. 

6. Shelly CNG gas

The Shelly Gas monitors rooms for gas leaks. In case of danger, the sensor starts to whistle and blink, sending an alarm notification to the Shelly app. It can optionally be connected to the Shelly Cloud. Many household appliances rely on natural gas, but they rarely have built-in gas leak detection. The Shelly Gas is a natural gas sensor that can provide additional protection for your home and family. Thanks to its long lifespan and Wi-Fi technology, you will always know if gas poses a threat to your home. The gas sensor can also directly control a Shelly switch actuator, allowing it to close an electric gas valve, for example. 

7. Shelly Gas LPG

Shelly GAS is a compact and highly sensitive liquefied petroleum gas (LPG) detector that provides additional protection for your home and family. LED flash & sound, alarm sensitivity: 6% LEL, sound pressure level: 70 dB, Wi-Fi range: up to 50 m outdoors and up to 30 m indoors (depending on building materials). In the event of a gas leak, Shelly notifies you with an audible alarm and a push notification to your smartphone. When the gas concentration drops to a safe level, the device automatically returns to detection mode. The Shelly Gas is powered directly from the mains and can be used as a stand-alone device or as an accessory for a home automation control system. 

Product order
See all products