Kidde 21027320 P4010ACS-W 120V AC/DC Wireless Interconnected AC Hardwired Smoke Alarm

Upgrade home fire protection with the Kidde P4010ACS-W 120V AC/DC Wireless Interconnected Smoke Alarm. Designed for residential security and monitoring, this Kidde smoke detector combines a photoelectric sensor for earlier detection of smoldering fires with a clear voice notification system and an 85 dB audible tone to help occupants react quickly. The unit is hardwired to 120V AC for reliable power and includes a 10-year sealed lithium battery backup to eliminate yearly battery swaps and prevent nuisance chirps. Wire-free interconnect capability lets alarms communicate across rooms so every connected detector sounds when smoke is detected—helpful when retrofitting older or remodeled homes without running new interconnect wiring. Built-in features like tamperproof housing, Ambient Light Sensing and compatibility with the RemoteLync Bridge support ongoing surveillance and remote monitoring workflows for property managers and installers. Ideal for homeowners, contractors and security integrators who need dependable, low-maintenance smoke detection. Add the Kidde P4010ACS-W to your safety plan today to improve whole-home fire monitoring and response.

• 10-year sealed battery for worry-free protection—no annual battery changes or late-night chirps
• Voice-enhanced 85 dB alarm plus tone to speed occupant response and reduce confusion during an emergency
• Wireless interconnect lets multiple units notify the entire home without running new wiring (AC power still required)
• Photoelectric sensing improves detection of smoldering fires and lowers nuisance alarms from cooking or steam
• Tamperproof design, Ambient Light Sensing and RemoteLync compatibility simplify security monitoring and maintenance