PHOTOELECTRIC 240V WITH 9V BATTERY BACK-UP A photoelectric, 240V (hard wired) smoke alarm with a 9V battery back up....

PHOTOELECTRIC 240V WITH RECHARGEABLE BATTERY A photoelectric, 240v (hard wired) smoke alarm with a rechargeable lithium...

PHOTOELECTRIC LITHIUM BATTERY RF WIRELESS A photoelectric, 10 year sealed lithium battery RF wireless smoke alarm....

WIRELESS MOUNTING BASE FOR R240 & R240RC A wireless mounting base for the R240 and R240RC 240V smoke alarms to allow...