This is a nice alarm and replaces an outdated one I had. I would have given 5 stars except that when mounted high on the wall the display is unreadable. They need to have a method to flip the polarizer to view from below. From straight on or above the display is great but for natural gas it needs to be ~12" from the ceiling. Fortunately I don't need to read the display all the time.
Verified purchase: Yes | Condition: New
Easy to install and great if you have a gas heating system in addition to CO to be concerned about. Drawbacks they need to be replaced 5-6 years and the back up battery runs down in about a year yet still tests in the middle of the good range on the battery tester.
Verified purchase: Yes | Condition: New
great product, Natural gas (methane) install near ceiling, LP gas install near floor (wall outlet) ... Co-2 detected at any height.
Verified purchase: Yes | Condition: New
So so plug in detector. It doesn't work well with battery only. If you unplug it or loose power the battery backup only lasts a few minutes. It drains the battery immediately.
Verified purchase: Yes | Condition: New
Easy to install just plug it in. Directions for use are clear.
Verified purchase: Yes | Condition: New
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