First Alert  #SC9120B Carbon Monoxide/Smoke Detector combination unit that detects both smoke and carbon monoxide it is 120 volt wired in, and has a battery back up in case of power failures

Best Western has not endorsed these products given that local requirements may differ. Check with local, state, and/or provincial laws and ordinances to ensure compliance.
 

Available Through:

USA: DFW Motel Supply & Textiles Inc.
California – 888-605-9101
New Jersey – 800-752-6829
Texas – 800-962-3366

USA: AMTEX