... ONE LED,1 W Lead-acid rechargeable battery( 4v,600mAH) Light brightness can be adjustable LED HeadlightBrand: AUSAModel:AS-6688Power supply ... :lead-acid rechargeable battery (4V,600mAH)Light source : 1W high-power LED(1)two tranches of strong ... and weak light, touch-button switches.(2) intelligent charge management, over-charge ...