Alecto COA-26 Duo Pack
The Alecto COA-26 lets you monitor the concentration of carbon monoxide in your house. This set contains 2 carbon monoxide detectors. This allows you to equip 2 different, relevant locations in your house with one of the carbon monoxide detectors. As soon as the detector measures a dangerous concentration of carbon monoxide gas, the loud 85-decibel audible alarm goes off, enabling you to take action. Each detector runs on three included AA batteries. The display tells you when it's time to replace the batteries, but there's a separate audio and light signal too. These detectors use a different audio and light signal to let you know when it's time to replace the carbon monoxide detectors entirely.