Best Liftmaster Garage Door Opener Rating

ATTN BUYERS: Please provide a reliable phone number so the shipping company can contact you if needed. If not provided, your item could be delayed or even returned. Thank you! Includes: One Arm Battery Backup with control board Photocell Liftmaster LA400PKGU Gate Opener Features: LED Diagnostic display - simplifies installation and troubleshooting 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 Bi-Part Delay - Monitors and adjusts speed an position of each wing to ensure primary gate closes last. Synchronized Close - Simultaneously closes gates 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. Quick Close - Closes the gate immediately after a vehicle pulls off the interrupt loop. HOMELINK Compatible - Version 4 and higher Security + 2.0 On-Board Radio Receiver - Up to 50 remote controls (unlimited with 811LM/813LM) Liftmaster LA400PKGU Gate Opener Specifications: Power: 24VDC or Solar Power. 120/230V Single Phase (Standard control box). Accessory Power: 24VDC 500mA output. Switched and unswitched power. Monitored Safety: 3 main board, 3 optional expansion board UL Usage Classification: I, II, III, and IV Gate Travel Speed: 90-degree opening in 17-17 seconds