... Trustfire new style CREE XM-L T6 led 4 modes 2000lumens super bright bicycle lamp Description1.Using three CREE XM ... parallel,2pcs in series),capacity: 4400 mAh,voltage: 8.4 V,with two bicycle fixed rubber ring, ... .4V,green light on between 5.4V and 8.4V,pls charging it when the red light ... it will affect properties of products and be dangerous.8.Specifications: 58mm(Length)*45mm(head Diameter)*47mm(body ...