The dual channel can be connected to the two motors. The so-called double control refers to (for example, the room filled with two layers of curtains or two electric curtains) a transmitter can simultaneously control two motors.
The transmitter is alone, just like the remote control on the tv. The so-called single channel is the general receiver connected to a motor
In general, electric curtains are made of fabric, motor and control system. The control system is mainly composed of transmitter and receiver. Usually motors and receivers are connected by wires to receive signals
