DSI ES4300A-K7-T1 Exterior Alarm Rim with Interchangeable Core Tamper

Protect exterior doors with the Designed Security, Inc DSI ES4300A-K7-T1 Exterior Alarm Rim — a purpose-built door alarm that delivers dependable perimeter security and tamper detection for commercial and institutional sites. This rim‑mount alarm combines a robust, weather‑resistant housing with an interchangeable core tamper mechanism, allowing secure keyed override and easy rekeying to your facility’s master key system. Model ES4300A-K7-T1 is US‑made and engineered for high‑traffic exterior doors, providing consistent monitoring and audible deterrence while integrating smoothly with existing access control and surveillance strategies. The alarm’s rim design makes it quick to retrofit to most exit devices, reducing installation time and service interruptions. Ideal for schools, healthcare, retail, and industrial facilities, the ES4300A-K7-T1 helps security teams maintain controlled egress, detect tampering, and improve overall site monitoring. Contact your security supplier to specify the DSI ES4300A-K7-T1 for your next perimeter security upgrade or to integrate it into your broader surveillance and access control plan.

• Heavy‑duty exterior rim alarm that strengthens perimeter security and deters unauthorized exits
• Interchangeable core tamper for secure, keyed override and easy rekeying to match facility master keys
• Rugged, weather‑resistant design for reliable outdoor performance on high‑traffic doors
• Simple rim‑mount installation and retrofit compatibility with standard exit devices to minimize downtime
• Integrates with access control and monitoring systems to provide active door surveillance and alarm notification