Ade Advanced Optics RD3-002 Compact Red Dot Sight with Integral Weaver-Picatinny Mount

L26mm x W25mm x H25mm L2" x W1" x H1" Only weight 1.9oz with battery installed. It is One of the most versatile sights. It's key features are it's light weight and compact tubeless design. It is an excellent product for rapid fire or moving target shooting. Great for Pistols and Rifles !! Gain a Tactical Advantage with this cqb wonder !! Can be used with a long range rifle scope for that perfect setup !! Specifications: On/Off switch located on back. Window Size: 22mm x 17mm Magnification: 1x Maximum Field of View at 100 Yards: 19 Yards Objective Lens: 25mm Reticle: 2 MOA Red Dot Eye Relief: Unlimited Built in picatinny mount Automatic Brightness if you go in a dark room it gets dimmer go outside in bright light it gets brighter put the cover on it goes off. Includes: 1 Micro Red Dot Reflex Sight 1 Allen wrench 1 Cleaning Pad 1 CR2032 battery 1 Carrying gift box 1 Screwdriver 1 Deg Alignment tool 1 Lense Cover