The HHA Sports Bow Sight Optimizer Lite x 5519 is a top-of-the-line single pin sight designed for hunters and 3D shooters. With its patented R.D.S. Sight Tape Technology, this sight provides accurate shots up to 80 yards. The Optimizer Lite x features a smooth lever action and a water-resistant design. Its machined aluminum pin carrier ensures durability. This sight is also compatible with blue burst lights and lens kits. For those who want the best, the HHA Sports Bow Sight Optimizer Lite x 5519 is an affordable option that won't break the bank. Plus, with fast shipping, you can get your hands on this top-selling sight in no time.Product Features and Specifications: R.D.S. Sight Tape Technology: Patented technology for accurate shots Infinite adjust slotted side bracket: Adjusts to fit different bow styles 20-80 yard accuracy: Accurate shots up to 80 yards Smooth lever action: Easy to use and adjust Water resistant tapes: Protects against moisture and weather Leveling bubble: Ensures proper sight alignment Machined aluminum pin carrier: Durable and long-lasting Optional mechanical rheostat: Adjusts pin brightness