As one of the important parts of the motorized curtains, the curtain timing belt plays a very big role in it. Generally speaking, the main components of the motorized curtains are divided into five aspects: motor, track, gear, controller, belt. Motorized curtains in the daily role is also mainly shielding light, adjusting lighting, blocking ultraviolet rays, to protect personal privacy. The daily control of automatic curtains is also a major feature, to realize automatic curtain control in addition to curtain motors also need curtain switches (curtain controllers), wireless curtain switches can be a direct replacement of the traditional switch for installation, no wiring.