The Kidde Smoke and Carbon Monoxide Detector, model 30CUDR-V, helps safeguard against two common household hazards: smoke and carbon monoxide. Providing over 25% faster smoke detection*, it is equipped with an 85-decibel alarm and bright red LED indicator, providing both visual and audible warnings to ensure quick awareness during emergencies. This alarm also features voice alerts that clearly announce the type of hazard, saying “Fire” when smoke is detected and “Warning, Carbon Monoxide” when CO levels rise, helping occupants take the right action. It includes 2 AA alkaline batteries, which should be replaced every 6 months or when the alarm sounds a low battery chirp. Built with advanced sensing technology, the detector helps reduce false alarms from everyday activities like cooking or steam. It's been rigorously tested to meet UL 217 10th Edition, UL 2034 5th Edition, and FCC standards, ensuring quality and compliance. This Kidde alarm is an excellent choice for homeowners, property managers, and professionals who value dependable, code-compliant safety for homes and apartments alike. *29% faster average smoke detection based on internal testing of smoldering wood fires for Kidde 9th Edition vs. leading competitor 8th Edition products. **10-year limited warranty on alarm. Not a battery performance claim.