System Sensor 2W-B i3 Series Smoke Detector 135° fixed – Bass United
System Sensor 2151 (old style) Low-Profile Plug-in Photoelectric Smoke Detector
First Alert SA521CN-3ST Wireless Interconnect Hardwired Smoke Alarm
Carbon Monoxide Detector Plug in - Hembisen Portable Carbon Monoxide Detector for Travel,Plug in CO Detector with Digital Display for Apartment/Home/Kitchen,Easy to Read & Install - Amazon.com
Quick Convert Adapter KA-F2 | Kidde
Bundle of 3 First Alert Hardwired 120-Volt AC Smoke Alarm with Plugs, SA9120BPCN
Carbon Monoxide and Smoke Alarms, iFanze Sensitive Wireless Carbon Monoxide Alarm CO Detector with LCD Digital Display Plug-in Wall for Home Office Factory - Walmart.com
System Sensor 2151 100 Series Low-Profile Plug-in Smoke Detector at Controls Central
FIRST ALERT CO605 Plug-in Battery Backup Carbon Monoxide Alarm and FIRST ALERT 9120B Smoke Detector Alarm | Hardwired with Backup Battery - Amazon.com
TC806B1076 | Honeywell Intelligent Plug-In Photoelectric Smoke Detectors with FlashScan
Kiddie Carbon Monoxide Smoke Detector Plug In Battery Backup Set Of 2 | eBay