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Flood Sensor - Shelly Flood S Gen4 White

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White Shelly Flood S Gen4 sensor detects water leaks and can send alerts or trigger smart home automations. It uses Wi-Fi, Bluetooth, and Zigbee, measures 23 × 77 mm, and runs on one included CR123A battery for approximately two years.
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Shelly Flood S Gen4 White

White Shelly Flood S Gen4 sensor detects water leaks and can send alerts or trigger smart home automations. It uses Wi-Fi, Bluetooth, and Zigbee, measures 23 × 77 mm, and runs on one included CR123A battery for approximately two years.


  • Smart water leak sensor with three stainless-steel detection fields for reliable detection of regular and low-conductivity liquids
  • Supports flood and rainfall detection modes, with three alarm profiles and a built-in buzzer for immediate alerts
  • Wi-Fi 6, Bluetooth 5 LE, Zigbee 3.0, and Matter support for flexible smart home integration and local automations
  • Compact white IP67-rated design, powered by an included CR123A battery for approximately 2 years of operation

Product Information
Product Type Smart flood and water leak sensor
Brand Shelly
Model Flood S Gen4
Color White
Dimensions 23 × 77 mm (H × D)
Weight 50 g without battery; 70 g with battery
Housing Material Plastic
Mounting Place on a flat surface
Detection and Alerts
Detection Fields Three stainless-steel detection fields
Liquid Detection Regular and low-conductivity liquids, including condensate and distilled water
Operating Modes Flood detection and rainfall detection
Alarm Profiles Intense, Normal, and Economic
Audible Alarm Built-in buzzer
Ingress Protection IP67
Connectivity
Wi-Fi Wi-Fi 6; 802.11 b/g/n/ax, 2.4 GHz
Bluetooth Bluetooth 5 LE
Zigbee Zigbee 3.0; IEEE 802.15.4
Smart Home Standard Matter
Wi-Fi Range Up to 30 m indoors and up to 50 m outdoors, depending on local conditions
Bluetooth Range Up to 10 m indoors and up to 30 m outdoors, depending on local conditions
Zigbee Range Up to 100 m indoors and up to 300 m outdoors, depending on local conditions
Power and Operating Conditions
Power Source 1 × CR123A battery, included
Operating Temperature -20°C to 40°C
Operating Humidity 30% to 100% RH
Maximum Operating Altitude 2000 m
Software and Integration
Local Automations Supported, including operation without cloud access
Supported Platforms Shelly Smart Control, Amazon Alexa, Google Smart Home, Samsung SmartThings, and Home Assistant
Protocols and Functions MQTT, UDP, KVS, and webhooks
Webhooks Up to 10, with up to 2 URLs assigned to each event
Processor ESP-Shelly-C68F
Flash Memory 8 MB
Included in the Box
Contents Shelly Flood S Gen4 sensor and CR123A battery
Safety Warning
Warning Use the sensor only for water and leak detection as intended. Do not immerse it beyond its IP67 protection limits or use it as a substitute for professional water-safety equipment. Keep the battery away from children and dispose of used batteries according to local regulations.

Width 77 mm
Height 23 mm
Length 77 mm
Product Weight 70 g
Country BG

Dimensions and weights

Gross weight
0.1 kg
Package width
10 cm
Package height
5 cm
Package length
10 cm

Product codes

EAN
3800238073701
Manufacturer code
Flood S Gen4

Photopoint offers free shipping for orders over 99 € delivered to Estonia. Take a look in the tab "Delivery" for a more precise delivery estimate.

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Photopoint store Pick-up


Place your order from Photopoint web store and pick your goods up from one of Photopoint`s brick and mortar stores. The delivery to Photopoint store is free even for orders less than 99 €. You will be noticed by e-mail when your order is ready for pick-up.

The Photopoint stores are located in Tallinn and Tartu. See the exact locations from here.

Omniva parcel terminal 

You can order the goods to one of the Omniva Parcel terminals. Choose the desired terminal at the shopping cart. As the shipment arrives to the selected terminal, you will be sent an SMS-notification with an unique code. Go to the terminal within a week, enter the code and take your package. It is as simple as that.

See Omniva Parcel terminal locations here.

SmartPOST parcel terminal

Did not find an Omniva terminal at suitable location? Try SmartPost. Choose the desired terminal at the shopping cart. As the shipment arrives to the selected terminal, you will be sent an SMS-notification with an unique code. Go to the terminal within a week, enter the code and take your package. This method actually works for all parcel terminals.

See SmartPOST parcel terminal locations here.

DPD parcel locker

Make sure you check out also the locations of DPD parcel lockers. These are located all over Estonia. The delivery is the same. As the shipment arrives to the selected locker, you will be sent an SMS with a unique code. Go to the locker, enter the code and take your package.

See DPD parcel locker locations here.

Smartpost Finland parcel terminal

SmartPOST Finland is the best way to order goods to Finland. These terminals work the same way as in Estonia. As the shipment arrives to the selected terminal in Finland, you will be sent an SMS-notification with an unique code. Go to the terminal, enter the code and take your package.

See SmartPOST Finland parcel terminal locations here.

Matkahuolto parcel service

Matkahuolto is easy way to order goods to Finland. These are located also in smaller Finnish towns. As the shipment arrives to the selected Matkahuolto outlet, you will be sent an SMS-notification or an e-mail. Go to the outlet, show your ID and take your package.

See Matkahuolto outlet locations here.

Omniva courier delivery

The courier will transport your goods from Photopoint straight to the provided address. The delivery will take place at workdays from 08:00 to 17:00. Hold your phone near you as the courier will call you prior to its arrival. Please make sure there is someone at the destination, eligible to receive the shipment. 

The product can only be ordered from our online store and it takes from 7-10 working days for delivery within Estonia.

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