Multi-Gas Detector 3 Gas Replaceable Battery Yes Product Type Multi-Gas Detector Display Screen Type LCD Includes Probe No Housing Color Yellow Gas Detected Carbon Monoxide Hydrogen Sulfide Communication Protocol Infrared Series Multi Gas Detector Sub-Brand Gold Battery Size C Accuracy +/-2 ppm or 5 Percent +/-5 ppm or 5 Percent Alarm Setting Adjustable Battery Life 12 hr