HE508T RD X2 Elite Solar Red Circle Dot Sight Kleur:Zwart G7Pro can be powered by Kleur:Everglade G7Pro can be powered by 4x AAA or rechargeable batteries and a dedicated PB ATL G7 6V 700mAh battery pack As with all products in the ESS Interchangeable Component Eyeshield Series It also features rubberized controls and a "Shake Awake" system that helps conserve the battery Holosun goal is to producing cutting edge equipment with great quality