Amazon has this essential must have home device, currently at only $39.99 w/free shipping!
This is the lowest it’s ever been, typically this sells for about $56.
- Wireless enabled battery operated combination smoke and carbon monoxide alarm
- Interconnects with other First Alert ONELINK enabled alarms to create a wireless safety network
- Exclusive voice alarm with up to eleven programmable locations to tell you where potential danger exists
- Photoelectric smoke sensing technology and Electrochemical carbon monoxide sensor
- Includes Test/Silence Button – Low Battery Warning – End of Life Timer and 7-year limited warranty