LiftMaster LA500UL Dual Swing Gate Actuator Kit brushless-motor The SL-45 DC Pro includes

The SL-45 DC Pro includes a robust battery backup system that provides up to 250 cycles on a 600 lbs gate

With a reliable operating frequency of 433

Rod Stroke: 13

easy-to-use

metal enclosure

LiftMaster LA500UL Dual Swing Gate Actuator Kit brushless-motor The SL-45 DC Pro includesComplete Dual Arm Linear Actuator Kit w myQ for Residential Swing Gates The LiftMaster LA500UL, also sold as the LA500PKGUL, is a complete dual arm 24V DC continuous duty linear actuator kit built for residential and light commercial bi parting swing gate applications across UL 325 Class I through IV. The kit includes both the primary arm with standard control box and the LA500DCS secondary arm with all hardware for a complete bi parting installation.