Nicbee

6-in-1 Smoke and Carbon Monoxide Detectors Plug in, Gas Leak Detector with Battery Backup Slot, Adjustable Brightness & Volume Levels, Smoke Alarm with Temp/Humidity for Home, RV, Travel(MR818,1-Pack)

VETOUCH

VETOUCH Plug-in Carbon Monoxide Detector with Digital Color Display CO Detector for CO, Temperature & Humidity, 85dB Loud Alert, Self Test Function vetouch CO Detector, for Home, Bedroom, Kitchen, RV

Yfwsrecinoe

Yfwsrecinoe 3 Pack Upgraded Combination Smoke and Carbon Monoxide Alarm Detector, Dual Sensor Smoke Alarm&Carbon Monoxide Detector (Includes Battery)

Kidde

Kidde Smoke and Carbon Monoxide Detector, AA Battery Powered with LED Status Lights, 85 dB Alarm, 5 inches, 3-Pack

First Alert

First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector with Battery Backup and Voice & Location Alerts, SMCO100V-AC, 3-Pack

First Alert

First Alert SMICO110, 10-Year Battery Combination Smoke & Carbon Monoxide Alarm, 1-Pack

First Alert

First Alert PRC710 PC1210 10-Year Combination Carbon Monoxide and Photoelectric Smoke Detector, Frustration Free

HAKINAKU

HAKINAKU 4in1 Plug in Smoke & Carbon Monoxide Detector Combination Builti-in 2000mAh Backup Battery HD Screen [Smoke CO Temp Humidity Sensor] for Home Hotel Travel (1 Pack, White)

Narremcoy

3-in-1 Carbon Monoxide Detector Plug in - Ultra HD Display with 85dB Audible Sound & Light Alarm - Accurate 0-999 ppm Detection for Home, Office, Hotel, RV, Camping, Tent & Indoor Use

SHYEEH

SHYEEH 2 in 1 Smoke and Carbon Monoxide Detectors, Battery-Operated (Battery not Included) Smoke Detector and CO Detector with 10-Year Sensor, Sound Warning and LCD Display for Home and Travel.

AOTIQUAL

2-in-1 Smoke and Carbon Monoxide Detector 10-Year Battery-Powered CO Alarm with Clear LCD Display and Sound Warning for Home Reliable Detector for Enhanced Safety and Protection (Includes Batteries)

Kidde

Kidde Smoke & Carbon Monoxide Detector, Hardwired, Interconnect Combination Smoke & CO Alarm with Battery Backup, Voice Alert, Pack of 2

Kidde

Kidde P3010K-CO Worry-Free Kitchen Photoelectric Smoke and Carbon Monoxide Alarm with 10 Year Sealed Battery

First Alert

FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, White, Pack of 3

OLUNCLE

2 Packs, 2 in 1 CO & Smoke Detectors,Carbon Monoxide Detectors,Smoke Detector Battery Powered,（Include 3 * 1.5V AA Battery）,85 db Smoke Alarm,Fire Alarm,Easy Install,Portable

First Alert

First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup, 6-Pack