Fully multi-coated optics with 1-4 x magnification Illuminated first focal plane illuminated bar reticle with 11 settings Exclusive Throw down PCL lever for quick power change 0.1 mil click adjustment; Length: in/mm - 9.4/240 Outstanding low light performance and accurate holdovers out to 500 yards BTR-1 illuminated First Focal Plane reticle provides outstanding low light performance and accurate holdovers out to 500 yards Exclusive Throw Down PCL (Power Change Lever) for quick power changes Features target turrets (.1 Mil click value) for pinpoint-precise adjustments Fully multi-coated optics for incredible brightness Made of high-durability aluminum alloy, anodize-finished and sealed to protect the inside from elements