Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System

Entry Sensor - Protect Your Doors, Windows, Cabinets And More. | Compact Design - Fits On Almost Any Window, Door Or Cabinet. | Instant Chime Alerts - When A Door Or Window Is Opened, The Base Station Can Sound A Chime Or Tell You Which Sensor Has Been Activated. | Customizable Alerts By Sensor - Can Set Up Secret Alerts That Wont Sound The Alarm But Will Send A Discreet Notification Directly To Your Phone. | Simple Set Up - Peel And Stick Installation Or Can Permanently Mount With Included Hardware. | Long-Lasting Battery - Pre-Installed Battery | Compatible With The Simplisafe Gen 3 Home Security System