... )Begin lighting:>3000Lx Lighting 11h:>1500Lx3)Battery life:>500timesa) Small,Light weight,Easy to carry and energy efficient,Equipped with specially ... designed optical system,with primary and secondary pairs of light. When one light source is damaged, the other source can ensure the ... ’s lamp is maintenance-free, no need to replace the light source and add additional acid for the battery. The battery ...