continuous working hour:168 hours without sun visible distance more than 500 meters temperature range:-20 to 60 degree centigrade material:Polycarbonate appliance place:square,park,garden,etc. |
continuous working hour:168 hours without sun visible distance more than 500 meters temperature range:-20 to 60 degree centigrade material:Polycarbonate appliance place:square,park,garden,etc. |