
Automatic Door Opener (1071.101-55) , with Aluminum Track Cover and Support Bracket for Repairness. Superior Microprocessor Control: Precisely controls door speed and travel distance for smooth, shake-free operation. High Safety & Anti-Crush: Sensitive reverse function protects users; photocell monitors passage to prevent injury. Fire Alarm Priority: Door opens permanently during fire alarms, even if locked, ensuring safe evacuation. Long Lifespan & Low Noise: Over 2 million failure-free tests; extremely reduced running noise for quiet operation. Flexible Customization: Customizable door width, speed, hold-open time, and power options for various needs. Easy Debugging & Setup: Digital display and button control allow easy parameter setting without complex buffers. Backup Battery Option: Optional acid-lead backup battery with management module ensures 2.5h operation during power failure. Multiple Operation Modes: Supports permanent open, partial open, lock, exit/entry only, and auto modes via remote or key switch.