Raith-DS 20mm Red Dot Reticle Sight by TRINITY FORCE CORPORATION Product Overview now offers the Trinity Force Raith-DS 20mm Red Dot Reticle Sight. The Raith is a compact red dot sight that is perfect for your AR15 style firearm or others. The Raith is a low profile style with a side mount battery compartment and will run for up to 50 hours on a CR 2032 battery. The Raith has an auto-on function when moved and an auto-off feature when it is left stationary for a predetermined amount of time. This red dot can be adjusted for both windage and elevation. At just 2.5 inches long and a low weight of 6.9 ounces will not significantly impact most firearms. Specifications and Features: Hard anodized aluminum Windage Adjustable 40MOA Sighting Dot 2.5 MAO Overall Weight: 6.9oz Length 2.5" Elevation Adjustable 40MOA Flat Black