HHA Sports Optimizer Lite X Bow Sight w/Rheostat 1 5/8in .019 Pin Left Hand Black. A top choice for hunters and 3D shooters alike the Optimizer Lite was the first site in the HHA product line to feature the R.D.S. Sight Tape Technology. Accepting a full line of accessories including magnified lenses sun shades and lights archers can 't go wrong when choosing the iconic sight for all their needs. Specifications for HHA Sports Optimizer Lite X 5519 Bow Sight w/Rheostat: Manufacturer: HHA Sports Color: Black Additional Features: .019 Pin Length: 8.25 in Diameter: 1.625 in Fabric/Material: Machined Aluminum Features of HHA Sports Optimizer Lite X 5519 Bow Sight w/Rheostat NEW Infinite adjust slotted side bracket 20-80 yard accuracy and smooth lever action Water resistant tapes Leveling bubble Machined aluminum pin carrier Optional mechanical rheostat to adjust pin brightness Blue Burst light compatible Lens Kit compatible Package Contents: HHA Sports Optimizer Lite X 5519 Bow Sight w/Rheostat Mounting Hardware Preprinted Water Resistant Tapes Instructions HHA Decal HHA Sports LX-5519LH: Optimizer Lite X 5519 Bow Sight w/Rheostat 1 5/8in .019 Pin Left Hand Black