Swann Leak Alert Sensor - White - Detect Leaks Mobile Alert Brand New In Box About this item NO BASE STATION REQUIRED: Can be set up within minutes and can pair with other Swann sensors, sirens, cameras more. Once it's connected to Wi-Fi you get push notifications straight to your phone whenever a leak is detected no matter where you are EASY INSTALLATION: Powered by 2 x AAA batteries (included), can be set up in minutes. Just position the Water Detection Sensor end Clost to floor Using the extra-long 6ft cable, then mount the Main Unit end on a wall or surface higher up PERFECT FOR RENTERS AND OWNERS: 2 sided adhesive tape allows for non permanent as well as permanent installation, making it an ideal product whether you're a property owner or renter