TP-Link Tapo T110 Smart Contact Sensor

Drip and Leak Alert – Responds to drips and leaks with 6 detection probes on both top and bottom, Up to 90dB Alarm, IP67 Waterproof Rating, Instant App Notification – Receive instant alerts via the Tapo app when a leak occurs from anywhere, Visible Alarm with Tapo Lights, Wireless, designed to place in anywhere leaks or flooding may occur, like under the sinks, near washing machine, bathtub and more, Triggers the Hub alarm when leakage is detected. Manage up to 64 sensors with one hub

Whole-Home Coverage : Keep devices connected at all times through robust wireless network, Low-Power Wireless Protocol : Make connected devices operate energy-efficiently, Smart Alarm & Doorbell : Customize your chimes for specific notifications and doorbells, Local Storage : Save your stored video clips by inserting a microSD card and replaying on Tapo App.