Wireless Door Sensor Window Open Closed Detectors Fast Response High Sensitivity Home Security

Feature: 1. Function: Used to detect doors, windows, anywhere you want to be notified when they are opened or closed. When the door opens, it will send you a notification. 2. High Sensitivity: High accuracy of time when opening or closing of doors. You can also share the device with your family and view the history of the sensor. 3. Easy to Carry Around: Portable and lightweight enough to take with on business trips and vacations, keep yourself and your property safe and secure. 4. Easy Installation: Easily mounted by adhesive tape on the back, just peel and stick to window, door, cupboard or toolboxes anywhere you want, quite time saving. 5. Wide Application: Make it convenient for you to detect your doors, windows, cabinets, drawers or anywhere you want to notified when it is opened or closed. Specification: Item Type: Door Open Closed DetectorsMaterial: PlasticBattery: 3V CR2032 (not included)Size: Approx. 54x29mm/2.13x1.14in. Package List: 1 x Wireless Door Sensor1 x Alarm Unit