Do tire tread marks make road kill animals more appealing when placed on the barbecue?
You can take them down and look at the back sides. One may very well be a smoke detector while the other is a CO detector. Contrary to what another poster has stated, CO is very slightly lighter than air and will rise at normal room temperatures or mix with the air if there is air movement.
Great In other words, the game has changed, and the old school companies are way behind. And you can get a great system that you can install yourself, fully programmed and ready out of the box - that means more savings, and you can add devices at any time, and even move the system with you. When researching, I strongly recommend that you look at all the reviews you can find, and Yelp! is a good place to start. Shop hard, and don't just focus on the big names: look for safer, smarter, simpler, and more affordable - you will be happy you did!
