* Motor built-in design, not exposure outside, simple and beautiful.
* High strength track, screws bolt transmission, reliable structure.
* Motor transmission system, steady performance, long life time.
* Low noisy level when transmision. Take more comfortable enjoyment.
* Auto or Manual choices, wireless remote control.
* Microcomputer control, compliant with the home automation systems, can be remote controled by multi path.
* The carry box for the remote cotrol are choiceable.
* The installation is easy as normal person also can install well.
* Low voltage, safty, protect person from injury
* Guarantee for three years.