2 in 1 Carbon Monoxide Detector and Natural Gas Detector, Wall-mounted Gas Leak Detector with 2 Sensors for Home Kitchen, Carbon Monoxide Alarm with 10 Years Sensor Life

2 in 1 Gas Leak Detector Carbon Monoxide Detector and Natural Gas Detector, Wall-mounted Gas Leak Monitor with 2 Sensors for Home Kitchen Combustible & Explosive Gas Alarm LPG/CO (Original 1M cable)

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

FireAngel SB1-R Smoke Alarm - Toast Proof, Optical Smoke Alarms for Home with Replaceable Battery and Test/Silence Button - Early Smoke Detector Fire Alarm - 90 x 35 mm - White - 2-Pack