... solution for building entrance. 2,Convenient for customer. 3,Artistic. Automatic sliding door: --Anti-clamp function to make the mechanism more ... can be 1/3 open, 1/4 open, and so on. --The door's working time can be adjusted, 3 functions ... ) --Good solution for accessories, for example, finger printer, remote control, push button, access keypad, security sensor, fire alarm, and son on. Automatic door