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You can control the motor moving left and right on the curtain staff to drive the window curtain close or open eadily by pressing the button of the controller only. 使用時，衹需輕輕一按遙控器或線控器按鈕，控制器即指揮電機在滑杆上左右運動，電機通過窗簾環敺動窗簾開閉。