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.Item Type: Door Open Closed Detectors
Material: Plastic
Battery: 3V CR2032 (not included)
Size: Approx. 54x29mm/2.13x1.14in

What's in the box
1 x
Wireless Door Sensor
1 x Alarm Unit