Detects small amounts of water early so you can stop damage before it starts. This water leak sensor senses liquid levels as low as 4 mm, sounds a loud local alarm, and sends mobile alerts while integrating with your smart home for continuous monitoring. Key benefits Early leak detection: 4 mm sensitivity catches slow drips and small pooling long before a minor issue becomes a costly . Instant local and remote alerts: a 110 dB siren provides immediate onsite warning while mobile notifications keep you informed when you're away. Reliable in wet locations: IP67 waterproof rating and a rugged, sealed enclosure allow dependable operation in damp or submerged conditions. Easy smart home integration: connects with your smart home system for realtime monitoring and automated alerts so you can respond quickly. What it does and how it helps Function: continuously monitors for water contact; when water is detected at or above 4 mm the unit triggers its 110 dB alarm and sends an alert to your mobile device and connected smart home system so you can take action. Performance: sensitivity and a loud siren ensure both early detection and immediate awareness, reducing the risk of structural, electrical, and property damage. Compatibility and setup: designed to integrate seamlessly with your existing smart home setup for realtime status, notifications, and automation without complicated changes to your system. Size and build: compact footprint fits into tight spaces; durable, waterproof housing resists moisture and debris to maintain reliable operation in wet environments. Practical applications Basement or sump pump area: place the sensor near pumps, drains, and low points to detect failures or backflow before flooding spreads. Under sinks and behind appliances: ideal for monitoring dishwashers, washing machines, water heaters, and undersink plumbing where leaks often start small and hidden. Laundry rooms and utility closets: alerts you to overflowing washing machines or slow leaks that can damage flooring and cabinetry. What makes this product stand out Industrygrade sensitivity (4 mm) for earlier detection than many common alarms. Powerful 110 dB siren that alerts anyone nearby immediately. IP67 waterproof protection for dependable use in wet or damp installation locations. Smart home connectivity for automated monitoring and fast remote notification. Specifications (key points) Detection sensitivity: detects water as low as 4 mm. Alarm output: 110 decibel siren for immediate local warning. Ingress protection: IP67 waterproof rating for wet or submersible conditions. Integration: connects with smart home systems for realtime monitoring and mobile alerts. Design: compact, rugged housing for placement in confined or damp areas. If you need fast, reliable leak detection that integrates with your smart home and provides both a loud local alarm and mobile alerts, this sensor delivers early warnings and durable operation where leaks are most likely to start.