Can switches instantly from 1x to 4x. Rails fitting: 20mm RIS/RAS rails. One (1) pc CR1620 lithium (Not Included). The item "Tactical 1x-4x+HD400 Fixed Dual Purpose Optical Scope With Mini Red Dot Sight" is in sale since Monday, September 28, 2020.This item is in the category "Sporting Goods\Hunting\Scopes, Optics & Lasers\Red Dot & Laser Scopes". The seller is "spina-optics" and is located in . This item can be shipped worldwide.