I think this is now an older model, they had to clear way for units costing 2-3 times as much! I just need an alert for danger, nothing else. This has the easy mounting, reliability and typical mounting size. Everything else is nonsense.
Verified purchase: Yes | Condition: New
I should have sent it back but didn't want to take the time. The listing didn't mention the item is not new and the package had been previously opened. I tested the smoke detector with wooden matches and it worked.
Verified purchase: Yes | Condition: New
I have 6 of these installed, one was chirping every so often for no apparent reason. The detectors are about 2 years old. They are all hardwired and the backup batteries all checked good. Replaced the chirping one with this and now all 6 are just fine again.
Verified purchase: Yes | Condition: New
I wanted a unit that tested for CO and smoke-and tested for smoke photoelectricaly, the "better" way. This does both, is easy to install, and is easy to replace batteries. Best combination I've found.
Verified purchase: Yes | Condition: Pre-owned
great value
Verified purchase: Yes | Condition: New
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