Improve your home security with the Yale HSA Essentials Alarm Kit. It comes with 2 motion detectors and a door/window contact that will trigger the alarm whenever movement is detected.Battery-powered and wire-free, the alarm is easy install and straightforward to use too. Just input your PIN code on the keypad and you'll have 20 seconds to enter or leave your home before the alarm sounds.The Yale Essentials Alarm Kit is an all-in-one system, so there are no monitoring fees and it comes with a 2-year guarantee for peace of mind. What's more, you can add up to 20 Yale accessories (sold separately) to increase the overall protection of your home.