This multi-reticle sight features four reticle choices of dot, cross, bullseye or starburst with a rheostat knob for multiple brightness settings to allow customization for each situation. D4RGB features dual red and green illumination with 3 brightness settings for each color. Sight has a rugged anodized aluminum body, heads up display, unlimited eye relief and field of view, and is powered by common CR2032 3v lithium battery.