TruGlo Triton 1_20 Red-Dot Sight, 3-Color 5 MOA Reticle, Black The TruGlo Triton 20mm Tri Color Red Dot is an ultra-lightweight sight that features the innovative Tri Color Technology with Blue, Green, and Red 5 MOA Dots with individual brightness settings. This sight can be used with both high and low Weaver-style mounting bases and uses a 3V-CR2032 battery.