Liftmaster/Chamberlain LA500DC Primary & LA500DCS Secondary - Dual Swing Gate Opener Replacement Arm for LA500PKGUL

Description

LED DIAGNOSTIC DISPLAY SOLAR-READY ULTRA-RELIABLE SYSTEM - Simple solar conversion delivers power when you need it most and is extremely power efficient at all other times to maximize solar performance. PROGRAMMABLE AUXILIARY RELAYS - Easily add additional features, such as warning lights/alarms. BI-PART DELAY - Monitors and adjusts speed and position of each wing to ensure primary gate closes last. SYNCHRONIZED CLOSE - Simultaneously closes gates. PRE-MOTION WARNING ALARM - Activates onboard alarm three seconds prior to gate motion. ANTI-TAILGATE -Prevents unauthorized access. Gate will pause when closing as vehicle pulls onto interrupt loop or breaks photo beam. Once vehicle backs up, gate will continue to close. HOMELINK COMPATIBLE - Version 4 and higher. SECURITY+ 2.0 ON-BOARD RADIO RECEIVER - Up to 50 remote controls (unlimited with 811LM/813LM).