Check the listing for details. Designed Security ES4200-K4-T1 Door Management Alarm. Condition: New. Listed at 122.99 USD. The Designed Security ES4200-K4-T1 is a sophisticated door management alarm system engineered for enhanced access control and perimeter security. It monitors the status of doors and triggers visual and audible alerts when unauthorized access, forced entry, or propped door conditions occur. The unit features tamper-resistant construction, an integral key switch for local alarm control, and an LED indicator for clear status visibility. Ideal for commercial and institutional facilities, the ES4200-K4-T1 supports compliance with fire and security codes by ensuring doors remain properly secured and monitored. It operates reliably in high-traffic environments and integrates easily with existing access control systems. Whether installed on a single exit or across a facility, this alarm provides.