Protect your home and property. The sensor flashes when water reaches it, simultaneously sending an alarm signal to the gateway and a notification to your phone, reminding you to take appropriate action. This significantly helps reduce property loss. Low Energy Consumption & Low Battery Monitoring: The durable battery can last for a year with a usage frequency of 20 times/day. It also monitors the real-time voltage; when the battery voltage drops below 2.6±0.2V, it sends an alarm to remind you to replace the battery. Easy to Use: Integrated waterproof design, battery-powered, and installation-free. Excellent Quality: Made of high-quality ABS plastic, durable and environmentally friendly, with a fade-resistant finish. Low energy consumption helps you detect leaks while saving energy and protecting the environment. Wide Application: The water sensor can be placed wherever needed, perfect for kitchens, bathrooms, basements, garages, attics, eaves, gardens, courtyards, balconies, etc. Package Contents: 1 x Water Leak Detector