--Anti-clamp function to make the mechanism more safe.
--Door will be able to working about 3 hours or 200times(open and close) during a power cut (optional)
--Five different functions with remote or function keypad: always open, half open, exit only, lock, normal open.
--The half open situation can be adjusted, so it can be 1/3 open, 1/4 open, and so on.
--The door's working time can be adjusted, 3 functions: always work, work 5000times, work 10000times.( only for HH130, HH150)
--Good solution for accessories, for example, finger printer, remote control, push button, access keypad, security sensor, fire alarm, and son on.