... Traffic Vest 1.LED source 2.Solar energy,eco-friendly 3.Suitable for road workers,traffic police ... 4.OEM is available Eco-friendly Solar Security Traffic Vest Product Details 1. ... When you wear it outside,the solar panel will charge for the battery 10.Operation:There is a ... to "OFF", it will be off Features 1.Eco-friendly,high quality,solar security traffic vest 2.Solar ...