About This Dual Detection Modes – Features both regular mode and humid mode for accurate leak monitoring in different environments. Ideal for under sinks, near washing machines, or in basements. Wireless Connectivity – Designed to pair with the iSpring LS43WL automatic leak shut-off system (sold separately). The system cuts off your home’s main water supply within 20 seconds after the sensor detects a leak. Note: Auto shut-off requires the LS43WL main unit to be powered on. Expandable System Compatibility – Designed to work with the iSpring LS43WL shut-off system, which supports up to 8 wireless sensors. Add more sensors (sold separately) to expand coverage for bathrooms, basements, kitchens, and other high-risk areas. Easy Placement Anywhere – Compact, wireless design allows flexible placement in hard-to-reach or high-risk areas without the need for wiring. Long-Lasting Performance – Built with high-quality materials and designed for extended use. Battery compartment includes a sealing ring for improved water resistance. Overview Brand : iSpring Product Dimensions : 3.86"L x 1.38"W x 3.31"H UPC : 810004177253 Manufacturer : iSpring Number of Items : 1