... environment protect,safety ,originality and can be use at will .How To Use:For field luminescence ,use DC12V (8kts 1.5V AA batteries ... can use AC 220V electrical power transformer ,can be use for a long time.Technology Guide Line:This Umbrella Diameter is 2 ... 0MM .Color: Red, Blue, Green, yellow, Orange,Transparent,For special requirement ,you can place a order in advance.This product honestly Looking ...