TruGlo Trajectory Compesating DC Red Dot Sight, 1960

Red-Dot Crossbow Sight, Black - Fast and accuarate trajectory compensating system. Simply click the selector knob to the velocity you are shooting and use the pre-calibrated aiming points to hit targets at aproximately 20, 30, 40, 50 yards. - 2-choices of reticle color for contrast against any target/background lighting - 24x33mm objective lens diameter - Wide field of view - Shock resistant - Unlimited eye relief - 10 position rheostat for brightness control, 5 settings for each color - Lightweight/Easy to mount - Special anti-reflective coating on objective lens - Click windage and elevation adjustments - Intergrated Weaver-style mounting system - Battery included(3V - CR2032) - Lifetime Limited Warranty