OLED displays use bright red characters and have adjustable brightness setting; Flightpath technology uses your bow's ballistics to display the highest point of your arrow's flight, so you can take tighter shots with more confidence; Line of Sight (LOS) calculates the distance to a target in a straight line, regardless of any incline or decline; Selectable reticles ofers a variety of reticles to choose from to fit any use or preference