... , temperature and some other factors for at least 10 years.2) Secure, hard to decipher, avoids traditional repeat code that is ... design, prevent inadvertently press on the button.6) More easy to control than the traditional one.Remote control mainframe: AC220V±10%, 50HZ ... near future.Best regards, ------ZhangZhou JinAn Electric & Machine Co.,Ltd. High Quality Rolling Door Motor Remote Control