The compact green laser is an ultra bright and powerful green laser in a much smaller package than was available previously.The weaver style mount will fit virtually any weaver and picatinny rails, making it possible to fit onto a wide variety of firearms.The green laser has precise windage and elevation adjustments, for a quick, powerful, and precise laser aiming devise.The supplied remote pressure switch, it gives you the flexibility to mount the laser anywhere on your firearm and be able to activate the laser when you want to.It is manufactured from aircraft quality anodized aluminum and is able to take a pounding.Power Switch: Remote Pressure SwitchWavelength: 532 nmDot Size: 1mmPower: 5mWRange: Maximum Legal OutputWeight: 3.80 ozBattery: CR123ALaser Color: GreenFirearm Fit: Universal w/Accessory RailFinish: Black AnodizedMount Type: Picatinny/Weaver