These units are factory refurbished and may have small cosmetic blemishes but have been inspected and serviced by Leupold. They are guaranteed to perform up to Leupold's high standards and are covered under their Full Lifetime Guarantee. With the Leupold Full Lifetime Guarantee, if your Leupold product doesn't perform as promised, Leupold will repair or replace it for free, whether you are the original owner or not- forever. (excludes electronic components). The VX-5HD is taking optical performance to a whole new level. Leupold gave it a High-Definition optical system for sharp clarity, and the Twilight Max Light Management System for great low-light performance, giving hunters a visible advantage at dawn and dusk when game is on the move. The CDS-ZL2 (Custom Dial System ZeroLock 2) elevation dial locks in place so it cannot be inadvertently rotated off zero. A mere press of a button will allow the user to dial up two turns of elevation, if necessary. On the 2nd revoluti...