Powerful enough to be visible from 50 yards during the day and 600 yards at night, the Firefield Green Laser Compact Handgun Sight FF13032, is a dynamic, full power unit, perfect for quick target acquisition. This Weapon Laser from the professional product engineers at FireField is highly versatile, easily affixing to a wide variety of firearms, thanks to the Weaver rail. Complete with a tactical pressure pad, the Fire-Field Green Laser Compact Sidearm Sight, is user friendly with an "on/off" tilt switch that can be activated with a flick of the user's finger. This title="firefield laser sight">Firefield Laser Sight is constructed from a lightweight, glass-filled polymer material that is made to shockproof and incredibly durable. The Firefield Compact Green Laser Gun Sight also makes a great training tool and can serve as a backup sight in any arsenal.