1.Left or right installation is ok. 2.It can be easily operated by electricity and manual. 3.The roller door motor with elegant design, advanced structure and strong power. 4.It’s safe and stable with using the imported components. 5.The motor with low noise, little vibration and small power consumption. 6.It’s light weight, small, easy to install, durable and reliable performance. 7.Overheat protection: If roller door motor temperature is over 110° centigrade,it stops working automatically,works again if temperature return below 70° centigrade.