Safe, quiet, , reliable, built-in soft start and soft stop, powerful, low noise Rolling code technology provides billions of code combinations, making each remote control and preventing unauthorized access. Real-time force measurement by computer, accurate stroke positioning, digital display, easy to debug The gate has self-locking function, 2000 operation cycle maintenance alarm; door is not closed alarm; automatic door closing function. The computer chip can automatically detect the resistance of the door body during operation., Manufacturer: DMETE