Safe-T-Alert 62 Carbon Monoxide Alarm The 62 series Safe-T Alert carbon monoxide alarm is a well designed alarm that is designed to keep you safe. An included trim ring offers a sleek look while covering existing screw holes and cutouts. Designed to work in harsh marine environments and has an operational temp range of -40 F - 158 F. Once the alarm runs its life cycle of 5 years it will auto alert you to get it replaced and keep you safe. The memory scan allows the Safe-T Alert alarm to retain t