The Hot Dot is an innovative idea. The bottom of the sight body projects light beams upward onto an angled, clear-plastic screen. These dots of light become the aiming points as you look through the clear plastic at your target. It has two modes -- a pendulum mode and a fixed mode. In the pendulum mode, the aiming point moves on the screen along with your bow angle to compensate for shot distance. In the fixed-pin mode, you can choose to display from one to six fixed aiming points.