exceptionally easy system setup via lcd user interface. Supports inward- and outward-opening gates without needing mechanical endstops. High push force. Full position control. Fast operating speed, with smooth acceleration and deceleration. Safe anti-crushing protection. Multiple operating features including intruder-detection alarm modes (a world first). Onboard centurion code-hopping multichannel receiver with selective add and delete. Battery backup for uninterrupted operation during power failures.