LA400PKGUL - LA400DC 24VDC Residential Linear Actuator PackageLA400PKGUL Single Arm Package includes: 1 LA400DC Primary Actuator Arm 1 LA400UL 24VDC Standard Control Box 1 LMRRUL Monitored Retro Reflective Photo Eye Info Security+ 2. 0 Safeguards access to property with an encrypted signal to offer extended range with Security+ 2. 0. myQ Securely control and monitor your Gate Operator from anywhere and get activity notifications through the myQ app. P3 Motors LiftMaster has designed its own purpose built motor