Truglos OPTISpeed Crossbow Scope allows you to take advantage of the speed and power of modern crossbows with a powerful optic. It features a dropcompensating reticle to provide accurate holdovers from 2070 yards and calibrates to any speed of crossbow by scaling the reticle with a simple dial. The glassetched reticle can be used with or without illumination depending on surrounding light and target color. The scope body is waterproof fogproof and nitrogen gasfilled while the fullycoated lenses provide maximum brightness clarity and contrast. The OPTISpeed also has an adjustable brightness control wide field of view and a .50 MOA. Included are 30mm Weaverstyle rings and a 3V CR2032 battery.This model has a black finish and a illuminated BCD reticle.