Wide field if view focusing screen. LED beam is adjustable for windage and elevation with a simple twist of than adjustment knobs. 3/8" mount fits airguns, paintballs guns, crossbows, and .22 riffles. Battery included Availability: Usually ships the same business day. Electorice Dot Sight unidot2Regular price: $19.99Sale price: $14.95 Copyright 2001-2011 Police Equipment Fire Rescue Supply at wholesale price.