Anker T89000D4 door/window sensor Wireless Door/Window White

Entry Sensor Protect Your Doors and Windows from Break-Ins with eufy Security Entry Sensor. Once a window or door is ajar by 1.5 inch, an alert will be sent to your smartphone, and a powerful siren will go off on the HomeBase (can be disabled). Requires eufy Security HomeBase. eufy Security: Less Trouble. More Secure. Ever Expandable. Surveil your home from front to back for total peace of mind Created by the same team as Anker: renowned for exceptional quality and innovation