The KIDDE Model P4010DCSCO-W is a DC wireless combination carbon monoxide and smoke alarm, featuring photoelectric sensing technology. This unit is designed for easy installation and offers a ten-year battery life, ensuring long-term reliability. The sleek design is compliant with safety standards, providing peace of mind for homeowners. With its dual-sensor capability, it effectively detects both smoke and carbon monoxide, making it an essential safety device for any home. The alarm is equipped with a loud alert system and a test/reset button for user convenience.