Specifications:Battery: 1 * CR2032Color: BlackMaterial: Aluminum AlloyLens size: 33 * 22mm / 1.30 * 0.87inLength: 82mm / 3.23inWeight: 113g / 3.99ozPackage size: 11.7 * 9 * 4.7cm / 4.6 * 3.5 * 1.9inPackage weight: 222g / 7.82ozPackage List:1 * Reflex Sight2 * Wrench1 * Cleaning Cloth1 * User Manual (English)