LiftMaster LA400DCS Secondary Arm, Includes 40' of Wire

Upgrade gate performance and access control with the LiftMaster LA400DCS secondary arm — a purpose-built barrier arm that delivers synchronized closing and dependable operation for commercial and residential gates. Designed to pair with LiftMaster operators, this secondary arm features synchronized close to ensure both gates latch together smoothly, reducing mechanical strain and maintenance. The selectable Party Pass hold/open feature gives you temporary open access for deliveries, events, or extended access windows without compromising security.

With 40' of included wire, on-site installation is faster and less disruptive, minimizing conduit runs and labor time. The black finish provides a low-profile, professional appearance that blends with most environments while standing up to daily use. Ideal for access control, perimeter security, parking control, and surveillance-ready installations, the LA400DCS integrates seamlessly into existing gate automation systems and supports reliable monitoring and secure entry management. Improve traffic flow, reduce downtime, and enhance site security—order the LiftMaster LA400DCS secondary arm today for a straightforward upgrade to your gate system.

• Ensure consistent, professional gate operation with synchronized close that reduces wear and prevents uneven latching
• Maintain controlled access during events using Party Pass selectable hold/open feature for temporary gate access
• Simplify installation and reduce labor with an included 40' wired connection for immediate integration into existing systems
• Improve perimeter security and traffic flow for gated communities, parking facilities, and commercial sites
• Durable black finish and LiftMaster compatibility for long-lasting performance with gate automation and access control equipment