SDC 400U-LT3 Single Gang Visual Monitoring Station, (3) Tri-Color LEDs

Deliver clear, immediate status at any controlled entry with the Security Door Controls SDC 400U-LT3 single gang visual monitoring station. Designed for access control and security monitoring applications, this compact remote plate provides three tri-color LEDs that display multiple system states at a glance—reducing response times and simplifying troubleshooting for security teams. The single-gang mounting fits standard electrical boxes for fast retrofits and new installs, while dual-voltage compatibility (12V DC or 24V DC) ensures straightforward integration with most low-voltage access control and surveillance systems. Built for continuous operation in demanding commercial environments, the SDC 400U-LT3 enhances situational awareness on the door line, supports remote monitoring workflows, and minimizes false alarms through clear visual feedback. Ideal for control rooms, reception desks, and perimeter access points, this monitoring station is a practical upgrade to any security infrastructure. Add the SDC 400U-LT3 to your access control or surveillance setup today to improve visibility and streamline monitoring.

• Instant, at-a-glance door status with three tri-color LEDs to reduce response time and simplify troubleshooting
• Single-gang form factor fits standard electrical boxes for easy installation in existing access control panels
• Dual-voltage support (12V DC / 24V DC) for flexible integration with most low-voltage security systems
• Durable low-voltage design engineered for continuous monitoring in commercial and institutional environments
• Clear visual indicators improve operator situational awareness for faster decisions in security and surveillance operations