Beileshi Mini Max Reflex Red Dot Sight Dual Brightness Holographic 20mm Weaver Rail Mount Condition: Brand New. Color: Black. Material: Durable Aircraft Aluminum Alloy. Features: This tubeless-design reflex lens aperture provides a wide field of view. This reflex sight has two brightness settings adjustable. Switch for off / low brightness / high brightness. Lightweight and compact, great for handguns. Windage and elevation adjustable (tools included). Open Target Turrets. Power: 2 x CR2032 (one is pre-installed, the other one is spared). Package Includes: 1 x Red Dot Sight Scope 2 x Hex Wrenches 2 x CR2032 (one is pre-installed, the other one is spared) 1 x Lens Cleaning Cloth 1 x Manual 1 x Storage Box