... efficiency Used in Marine,aviation, fishery,highway ,guardrail ,road side solar barricade light specification :1.solar panel ;0.4W,high quality monocrystalline silicon ... solar cell 2.battery :2.4V rechargeable AA Ni-MH battery ... No.555,Panyu north avenue,Panyu district, Guangzhou,Guangdong,China solar barricade light.solar warning lamp ,traffic signal light