A 10 year battery operated hard wired smoke alarm?

www.VideoJoeKno... A 10 year battery operated hard wired smoke alarm? They make such a thing when it
comes to smoke alarms? Yes! This video will discuss the matter at length on the basics of a smoke alarm & whether
or not you need a battery operated smoke alarm or a hard wired smoke alarm that gets installed to the actual wiring
of the house or do they even make such a thing as a battery operated smoke alarm & also have the same smoke alarm
be able to be hard wired to the electrical system of the house. Pros & cons.......for your smoke alarm needs.
www.VideoJoeKno...