... .Material:ABS 3.Battery:4xAAA 4.Size:length:105(MM), diameter:32.5(MM) 5.5 led lights Rear wheel power beam ... carton size:51x41.5x50.5cm,G.W.:16kgsFeature:5 LED,Power beam,waterproof,quick release bracket,trible brightness than similar product ... night Cranking to recharge, no external batteries needed, rechargeable power storage, green power,eco-friendly,economical and safe to use Professional ergonomic ...