... Motor, 1)Aluminium alloy,solid and light 2)Remote control:long-distance operation 3)Both electric and manual Rolling ... ) Little vibration and small power consumption7) Light weight, easy to install, long operational life and reliable performance8) Remote control: long- ... the near future.Best regards, ----ZhangZhou JinAn Electric & Machine Co.,Ltd. Remote Control Automatic Motor for Rolling Doors