Shelly Flood Gen4, a smart water leak and rain detection sensor

Shelly Flood Gen4 – a smart water leak and rain detection sensor with Wi-Fi, Bluetooth, and Zigbee connectivity, designed to protect homes, utility rooms, and semi-open areas from water damage.

Features

• Water leak and rain detection
• 2 m leak sensor cable, extendable up to 150 m
• Wi-Fi, Bluetooth 5 LE, and Zigbee connectivity
• Supports Matter integration
• Powered by 4 × AA 1.5 V batteries
• Battery life up to approximately 2 years
• Supports MQTT, UDP, Webhooks, and KVS
• Multiple alarm modes: intense, normal, economic
• Dimensions: 97 × 76 × 25 mm

Primary Uses

• Leak detection under sinks, near boilers, washing machines, or pipework
• Rain detection on terraces, under canopies, or in semi-open areas
• Protection of utility rooms, vacation homes, and rarely visited properties
• Automatic alerts and scenes when water is detected

Compatibility

• Works with Shelly Smart Control ecosystem
• Compatible with Wi-Fi, Bluetooth, Zigbee, and Matter systems
• Supports MQTT, Webhooks, and local integrations
• Integrates with Alexa, Google Home, Home Assistant, and SmartThings