[AERITH BLACK] FC1 Type Replica Compact Red Dot Sight with Battery, Black, Engraved, FC1 (BK B)

Set Contents: FC1 main unit, two hex wrenches, low mount screws, instruction manual, lens cleaner, test CR2032 battery (label may change), AERITH BLACK tag, hard case (label may change). Size: Total length: approx. 50mm, width: approx. 40mm, height: approx. 57mm (including 1cm spacer), weight: approx. 165g. Made of sturdy, durable aluminum alloy. 7 brightness levels (including NV brightness). Press and hold to turn off. Important: The glue-like stains seen in the reviews when looking through the objective lens are actually reflections from the dot projection port. This is a common feature in all units. Please note. High brightness can cause blurring and halation. Adjusting the brightness to match the surrounding light will eliminate blurring. A setting of 4 to 5 is recommended. Battery: One CR2032 button battery included.