The timer controller is designed for CL200BT curtain motors. It does not work with CL200T motors. It is wireless and can program control single or up to 12 motors. Programming the timer is very simple. It is similar to programming a programmable thermostat. The backlit LCD display shows the time and program info. The buttons on the side allow for simple setting of the desired opening and closing times. It can also work with other sensors for conditioning and intelligent control.