The Tapo T300 smart sensor is used for detection of water leaks and at the same time for notification thanks to the 90 dB built-in alarm . The sensor is waterproof thanks to IP67 protection, has 6 detection probes on the top and bottom and is part of the smart Tapo smart home family, and thanks to this it is possible to program various automated events - for example triggering the alarm on the Hub, turning on the outlet with the pump, etc. This sensor is powered by 2x AAA batteries with a lifespan of over 1 year, it communicates wireless frequency 868/922 MHz with the Tapo Smart Hub H100, which is necessary for the functioning of the sensor. Key Features • Drip and leak alarm - Responds to drips and leaks with 6 detection probes on the top and bottom. • Alarm up to 90dB - Be alerted by a 90dB siren and silence the alarm with one touch. • IP67 waterproof – IP67 waterproof protects against wet and dusty environments. • Instant App Notifications - Get instant alerts through the Tapo app when a leak occurs from anywhere. • Flexible installation - Wireless, designed to be placed anywhere where leakage or flooding may occur, such as under sinks, near washing machines, bathtubs, etc. • Visible Alarm with Tapo Lights - Get a visual alert from a smart bulb before disaster strikes. • Hub is required - The Hub will trigger an alarm when a leak is detected. Manage up to 64 sensors using one Hub.