Best Portable Gas Detectors

FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button

Kidde 5CO Battery Powered Carbon Monoxide Alarm 10 Year Life

FireAngel Carbon Monoxide Detector 10-Year Life Sealed Battery - FA3820 Carbon Monoxide Alarm for Home and Holiday - Portable CO Alarm - Travel Carbon Monoxide Detector and Monitor - White

TopTes PT199 Gas Leak Detector, Natural Gas Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Gas Leak Sources Like Methane, Propane for Home(Includes Battery x2)-Orange

Natural Gas Detector, Plug-in Propane Natural Gas Leak Detector for Home Kitchen RV, Combustible & Explosive Gas Alarm for LPG, LNG, Methane

CHNADKS Portable Gas Detector, 4 in 1 (H2S, O2, CO, EX) Handheld Gas Monitor, Rechargeable Gas Analyzer with Audible Visual Vibration Alarms, Personal Gas Sniffer with LCD Display

TopTes PT520A Gas Detector, Gas Leak Detector with 43.5cm Gooseneck, Locating Sources of Methane, Natural Gas, Propane and Combustible Gas Leaks for Home and RV (Includes Battery x3) - Orange

TopTes CT-300 Portable Carbon Monoxide Detector, CO Detector with Audible & Visual Alarm, 0-5000PPM, CO Alarm, Backlit LCD Screen, for Home, Car, Camping& Travel (Includes Battery x3) - Orange

Gas Detector, LPG | Natural Gas | Coal Gas Leak Detector, 3-Pin Plug-in Sensor Gas Monitor with Sound Alarm and LED Display, Methane Propane Butane Combustible Gas Alarm for Kitchen Hospital Garage

Gas Detector Alarm, LPG | Natural Gas | Coal Gas Leak Detector, Plug-in Sensor Gas Monitor with Sound Alarm and LED Display, Methane Propane Butane Combustible Gas Alarm for Kitchen Garage