The BSO1-4X24 gives you a wide full field of edge to edge clarity. The riflescope features 1/2 adjustments and a tactical fast adjustment lever that provide extra long eye relief. It is a 30mm tube made from aircraft grade aluminum with a hard anodized black matte finish. With three night vision settings and fully multi coated optics” the BSO1-4X24 assures accurate shot placement in any condition. CR2032 3V battery” flip caps” scope coat and a lifetime limited warranty are included.