For those seeking reliable performance and functionality no matter how tough the conditions, the VenomA(R) Enclosed Micro Red Dot features an easy-to-mount, closed design that shields against disruptions from rain, dust, or snow. With a large sight window, motion activation, and adjustable brightness, it delivers function, handling, speed, and accuracy in any shooting situation. Enclosed 6061 aluminum housing protects against debris and moisture Large viewing window for fast target acquisition and field of view Aspherical lens provides distortion-free sight picture and truer colors Motion activation with 10 minute auto-shutoff saves battery lifeWhat's in the box: Custom Tool Rubber Cover Most Common Screw Sets Lens Cloth CR2032 Battery