The most advanced treestand sights available. Automatically compensates for distances up to 35 yards. Pendulum can be locked in place for ground shooting. Extra, extra-long, protected, wrapped fiber. Aperture has a 1.8 inner diameter. Circular field of view. Glow-in-the-dark shooter s ring helps align peep sight. Level with two vertical bars. Level is illuminated by luminescent shooter s ring. Adjustable for left and right handed shooters. CNC-machined. Ultra-light and compact Available with light pin.