... not be affected by weather,temperature and some other factors Remote Control: 1. Firstly used Surface acoustic resonator among the same ... . Anti-skid design, prevent inadvertently press on the button.4. Remote control mainframe: AC220V ±10% , 50HZ±1%; Type: <500W AC220V MOTOR ... near future.Best regards, ----ZhangZhou JinAn Electric & Machine Co.,Ltd. Remote Control Specialized for Rolling Door Motors