This Safe-T-Alert Combo CO2 Propane Alarm is a must-have for any boat owner. It is designed to detect both carbon monoxide and propane leaks, ensuring that you and your crew are protected from potential dangers. The alarm is manufactured by Safe-T-Alert, a trusted brand in the industry. This particular model, with a black surface-mount design, is perfect for those who want to keep their safety gear sleek and modern. It comes with a manufacturer part number of 35-741-BL and is made in the United States. Please note that this item does not come with a warranty.