This handy little remote can arm and disarm your security system with the touch of a button from up to 40 feet away. Arm the system as you leave the house, disarm it as you pull in the driveway and more. Forget rushing in to enter a code - just hit a button. Your system can handle up to 16 of these remotes. Add as many as you need! They even allow you to turn lights on and off with the touch of a button. Now that's convenience!