Intermatic Home Security Wireless Door Window Alarm Model SP130B New Old Stock Sealed packaging Dated 2000 Description: This compact, easy to install, magnetic contact alarm made by Intermatic (a recognized leader in the security industry) can be used on doors, windows, cabinets,- anything that opens and closes. It is an ideal security device for home, store, office, etc. If the protected door or window is opened, it will sound a powerful 110dB alarm to scare off the intruder and alert you to the attempted entry. Has a programmable code that activates and deactivates alarm. Uses four AA batteries (not included).