Based on this product's specifications, here are some alternatives and similar models
Gas and Carbon Monoxide Leak Detector QOLTEC 52654 — natural gas and CO sensing device
Summary description:
QOLTEC 52654 is a natural gas and carbon monoxide (CO) leak detector designed to detect the presence of combustible gas and toxic CO indoors. The device combines sensors for natural gas and CO to provide early warning of leaks and harmful concentrations, helping protect homes, apartments and small commercial spaces. Suitable for continuous monitoring near kitchens, boilers and living areas.