[Remote Water Leak Monitoring] Connect the water sensor alarms to your phone via WiFi to receive real-time leak alerts no matter where you are. Please note: compatible with 2.4GHz WiFi only, and the distance between the sensor and router should not exceed 15 meters. [APP, SMS & Email Notification, 80dB Alarm] The water leak sensor includes a detection probe that sends alarm notifications through the App when water is detected. If WiFi is temporarily unavailable, the 80dB alarm will sound locally to alert you clearly. [Works with Alexa & Home Assistant] No gateways or complex setup required—simply install and connect to your phone. Control your water sensors using Alexa or Home Assistant, and connect multiple sensors at once. [IP67 Waterproof Rating] The probe of the water alarm detector is waterproof, suitable for long-term use in high-humidity areas. Requires 2 AAA batteries (not included). [Widely Applicable] These water leak detectors can be used in sump pumps, toilets, kitchens, laundry rooms, sinks, fish tanks, and other areas prone to water leaks or flooding. They are also ideal for monitoring water levels in bathtubs, pools, and basements. Color: White Material: Plastic Package Contents: 3 x WiFi Water Leak Detectors Note: Other items shown in the image are not included. Please note that slight color differences may occur due to lighting and display settings. A measurement tolerance of +/- 1-3cm is acceptable.