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
X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm (Not Hardwired), 10-Year Battery-Operated Dual Sensor Fire & CO Alarm, Compliant with UL 217 & UL 2034 Standards, SC06 - Amazon.com
SD365CO Series Addressable Addressable Combination Fire/CO Detector
First Alert 10-Year Battery-Operated Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
Kidde Talking Combo Smoke/Carbon Monoxide Alarm Hard Wired | LS&S
First Alert PRC700 Slim Design Battery-Operated Combo Smoke & CO Allarm | First Alert
First Alert SCO501CN-3ST Wireless Talking Battery Operated Smoke & Carbon Monoxide Alarm | First Alert
First Alert SCO7CN Battery Operated Talking Combination Smoke and Carbon Monoxide Alarm | First Alert