Features: Detect water leaks instantly with 0.5mm precisions using the elevated probe design, while real time app alerts ensures rapid response to potential flooding risks. Features a concave water collection systems for drip detection, extendable leak detection cables, and a CR2477 battery lasting over 5 years without replacements. Ideal for homeowners, landlords, and smart home enthusiasts seeking great water damage prevention in basements, kitchens, or near appliances like water heaters. Monitor high risk areas such as under sinks, laundry rooms, or HVAC units, with great performances even on metal surfaces for accurate leak detection. Seamlessly integrates with hubs, enabling automated flood alerts and smart home scene triggered during emergencies. Specifications: Component: Plastic Color: White Optional Styles: A with extension cable, B without cable Size: approx. 48x21.6mm/1.89x0.85in Cable length: 2m/78.74in Power supply: CR2477 battery Working temperautre: -10-60℃ Working humidity: 0-100% Communication distance: 130m Package Includes: 1 set Water Leak Sensors note: Please allow 1-3cm error due to manual measurement. please make sure you not mind before you bid. Due to the differences between different monitors, the picture may not reflect the item actual color.