At last, a great low cost way to provide alarm protection to your home, office or any location where you want to made aware of a door being opened. Ideal protection with dozens of uses: Great for house, apartments and condominiums, sheds, garages, basement doors, boats, RV's, trailers, & campers Use on doors leading to swimming pools Protect children and aging parents by alerting you when doors open Use on the inside of closet doors, gun or collectibles cabinets Use it to supplement existing systems Perfect for renters; it can move with you Door chime to alert you anytime someone opens the door Instant-On In-the-Home position to protect you and your family while you are at home Delayed alarm to protect your property when you are away Panic button can be pushed anytime you want the alarm to sound