Knox Safety offers two models of Carbon Monoxide alarms, the DC-powered Model 7000 and the AC-powered Model 7200, both featuring a 10-year lithium battery, TRIO warning system, bilingual settings, and low-level CO detection. These alarms are designed for various settings, including homes, restaurants, and universities, and comply with UL 2034, NFPA 720, and CSFM standards.