1. Anti-punching stroke design: When the door body reaches the stroke, it can only push the button in the opposite direction and the motor can move to prevent the stroke.
2, power outage lock save function: When using the remote control set key manual keyboard, can only use remote control to stop the key, power failure can not unlock.
3, Motor Time protection function: To avoid the motor in the trip failure of long time operation, time in 90 seconds can be adjusted, when the function switch 3 key in off position effective.
