Please Note that refurbished units may have blemishes or light usage marks, but do perform up to the system specifications as a new unit. This is a US Army Buy-Back Knight's Armament AN/PVS-30 night vision scope. It is in Grade A (Above Average) condition. With the AN/PVS-30, you'll receive the latest high performance night vision to add to your rifle. Best suited for front line long-range rifles, you can be assured of universal accuracy time after time. If added to your existing scope, your scope and eye relief with be unchanged. A refractive lens provides high performance light collection in a lightweight frame. Taking (2) AA batteries (included), the battery life can last well over 24 hours. Additionally, the batteries can be changed even when you are in a shooting position. Optimized for long-range sniper weapons, the AN/PVS-30 supports magnification up to 20x. Focus Range: 20 meters -> 8Gain Control: On/Off Gain Control knobFinish: Flat Black MatteWaterproof: Up to 3 Feet for 4 HoursWarranty: 1 YearMount is KAC 26597 Quick Attach/Detach (to MIL-STD-1913 or compatible rail). Includes tactical carry case, shroud, lens cleaning kit, AA batteries, and Certificate of Conformance. AN/PVS-3 User Manual Knight's Armament AN/PVS-30 GRADE A (US Army Buy-Back) Minimum 1700 FOM 26807A