X10 Powerhouse - DS10A.
Has separate magnetic contacts that make for more easier placement or use with the X10 wireless security systems.
Sets off the alarm when a protected door or window is opened.
Requires 2 AA batteries (not included) which can provide up to 1 year of operation.
For indoor use only. RF transmission range allows it to be placed up to 100 feet from the security system console.
Color is white. Mounting screws and double sided foam tape for the magnetic contact switches are included. (other x10 items avail, send email)