... designable Outdoor UMBRELLA LightingApplication Fields: sand beach, groggery, Street corner sales promotion Advertisement, Beach,Garden, field tour, etc. The luminous ray product ... even in burning sun and Rain day, The average life of umbrella is 5years ,and the EL wire ,it continue ... about 200 days) .Compare with common umbrella ,The added weight of EL umbrella only is 100 g .EL wire Diameter is ...