1. An advanced and reliable microprocessor controller is applied. 2. Brushless motor with self-locking, a long life span, and energy conservation. 3. Opening & Closing Speed adjustable. 4. Automatic/Lock/One Way/Half-open/Hold-open status can be set by remote key. 5. Opening and closing smoothly with low noise. 6. Safety interlock and electric lock function. 7. Support multiple access control systems and Fire Alarm System 8. Auto-Reverse
