First Alert Plug-In 120V Electrochemical Easy To Read Digital Display Carbon Monoxide Alarm Brand_As Seen On TV 2 year warranty

2 year warranty

Best used with plastic or ceramic insulators on any style of fence posts

reinforced steel tube rolled into the top lip for added strength & durability

black oxide

First Alert Plug-In 120V Electrochemical Easy To Read Digital Display Carbon Monoxide Alarm Brand_As Seen On TV 2 year warrantyElectrochemical sensor Easy to read backlit digital display allows a quick view of current and peak CO levels. Plugs into any wall outlet and includes a battery back up for detection even during power outages EZ access battery door allows you to change batteries without having to dismount the alarm 5 decibel horn sounds if carbon monoxide levels are too high, and a test silence button silences the alarm and allows you to test its functionality