Please note: you'll need a Panasonic Smart Hub to get this up-and-running. You can get one as part of the Home Safety Starter Kit . Be alerted of a water leak wherever you are with Panasonic's Smart Home sensor. Perfect to place under sinks or near washing machines and dishwashers, this easy-to-use accessory could save your home from serious damage. Just fix the sensor on the wall and extend the probe to touch the floor or other surface. Once synched to the your Wi-Fi and Panasonic Smart Hub (sold separately), you'll be pinged on your smart device when a leak's detected. Please note: a Panasonic Smart Hub is required to use this item. Find this, and other accessories, here