Help protect your home and family with the Kidde 30CUDR-VRF Battery Powered Smoke and Carbon Monoxide Detector, with Voice Alerts and Wire-Free Interconnect. This alarm features dual sensors that detect smoke and carbon monoxide, sounding a loud 85-decibel alarm with red LED indicator. Voice alerts clearly announce the hazard, saying “Fire” or “Warning, Carbon Monoxide,” to help occupants respond during an emergency. This detector features a wireless interconnect capability that allows up to 12 compatible Kidde alarms** to link together. When one unit detects danger, all connected alarms sound simultaneously, helping ensure everyone in the home is alerted to hazards. Powered by two AA batteries (included), no wiring required making it easy to install and helps ensure continuous smoke and carbon monoxide detection during power outages. Rigorously tested to meet UL 217 10th Edition, UL 2034 5th Edition and FCC standards, and is ETL Listed. This alarm is designed for homeowners and professionals, providing dependable, code-compliant detection for residential spaces. *29% faster average smoke detection based on internal testing of smoldering wood fires for Kidde 9th Edition vs. leading competitor 8th Edition products. **Different models offer different interconnection options and requirements. Check the User Guide for more info.