... 3,facile control,special track Taiyito TDX4466 smart building automation electric curtain motor is for smart home system 1.used AC ... ,high power,2.constant rotation rate ,strong load,just one motor and one track .3.bidirectional communication by power line in high ... control product,very simple and easy to install,just one electric curtain motor and electric track,the main features just as follow:1 ...