... , After the window opened, the oppression like in cage and stain in vision will be off. SLDG-80 ... 110V, 60HzWorking temperature range: -20 to +70Working frequency: 315MHz Rolling Door FunctionAnti-sunlight, anti-rust, anti-lacerated , anti-mosquito ... ProductionStandardThe Highest standard in China CertifcatesCE,TUV,CB,RoHS,CCC Rolling door ApplicationWidely used for security garage door , factory door ...