SwitchBot Wi-Fi water detector - with sensor cable - alarm and app notification - white The SwitchBot water detector with sensor cable has a sensor that notifies you in a variety of ways to correct water damage as quickly as possible without the need to connect to a hub. Monitor your entire house and get real-time notifications through the app. Real-time notifications (no hub required) When connected to Wi-Fi, the water detector sends you real-time notifications via email and app as soon as it detects drops of water, a water leak or a flood, without you having to buy an additional hub. Share the devices with your family so they can check the status of your home at any time. (2.4-Ghz Wi-Fi and BLE only) Included in delivery: