Door/Window Security Alarm Kit Low power consumption, high-quality process, an easy way to protect your home and family. One remote can be paired with up to 8 alarms, so you can control multiple alarms with only one remote. One alarm also can be paired with multiple remotes. Real-time State Protection Immediately alarm while thief pushing the door or window. Response in 200ms. Easy Installation The double-sided stickers on the back allow you to easily paste this alarm kit onto any smooth surface. Package includes: 1 x Magnetic Sensor 1 x Magnetic Stick 1 x Remote Control 1 x User Manual.