
Best selling Hazard detectors from Shelly
On this page you’ll find a ranking of the best Hazard detectors from Shelly. To give you a quick overview, we’ve added the most important product details. 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-Year Battery Life: Thanks to our battery-saving technology, 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 is triggered. Easy Installation: The Shelly Plus Smoke is wireless and can be easily mounted without restrictions, regardless of angles. Instant Alerts: 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 customized scenarios.

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.

3. 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.

4. 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.

5. Shelly Leck-Sensorkabel
Expandable leak sensor cable - more range, more safety. Coverage of up to 150 metres: Connect several cables together to reliably secure even large areas. Flexible placement: Ideal for hard-to-reach areas where water damage often goes unnoticed. Easy integration: The cable is connected directly to your Shelly Flood Gen4 and is ready for immediate use. Full-length protection: The entire length of the cable reliably detects water - for comprehensive safety in any area.

6. 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.

7. Shelly Flood WiFi flood & temperature sensor
The Shelly Flood water sensor detects standing water and features a built-in temperature sensor. Configuration and alerts can be managed through the free app, or for tech-savvy users, an API is available that allows the Shelly Flood to be integrated into the home network and any smart home system. The temperature measurement range is from -20 °C to 50 °C (± 1 °C), with a reporting interval of 24 hours, except in the case of flooding, where it occurs immediately. It supports WiFi 802.11 b/g/n, an open REST API, as well as MQTT, ioBroker, Home Assistant, openHAB, and Domoticz.
