1).Size:￠115x(L)260mm 

2).Use:3.6V 600mAh NI-MH batteries included, not include charger

3).include radio can used 

4).brightness:13000-16000mcd/pcs     

5).product life: 3-5 years           

6).led life: 100000 hours                                                                 

 7)Crank dynamo

8)Solar Power   3W