Honeywell DC311NBS Wireless Plug In Door Chime Kit 4 Tunes in White

The DC311NBS is a wireless door contact sensor from Honeywell Home (Honeywell Home), designed to monitor the open and closed status of doors or windows as part of a home security or alarm system. Compact and unobtrusive, it forms an essential part of modern intruder alarm setups, helping provide real-time status updates and improving overall property protection. Its surface-mounted design makes it suitable for quick installation without the need for complex wiring or structural modifications.

Engineered for reliability, the DC311NBS uses wireless communication to transmit status changes to a compatible control panel whenever a door or window is opened or closed. This allows the system to trigger alerts or notifications instantly, enhancing security awareness and response times. Its slim profile ensures it blends discreetly into residential or commercial environments, making it suitable for visible or concealed installation depending on user preference.

Designed for use within Honeywell’s alarm ecosystems, the DC311NBS is commonly paired with compatible intruder alarm panels and accessories, offering dependable performance in both new installations and system expansions. Its long battery life and low-maintenance operation make it a practical choice for continuous security monitoring.