Specifications:
1) Material: plastic or stainless steel
2) Dimensions: 145 x 17 x 585mm (diameter x height of light x total height)  
3) Structure: 1pc 600mAh battery, 1pc LED light
4) LED color: white, yellow, blue, green, red
5) Switch: controlled by light automatically
6) Service time:
   a) 7 to 9 hours at fine night
   b) 4 to 5 hours at cloudy night
   c) 2 to 3 hours at rainy night
All configuration can be customized per customer's special requirements