The ls-870 lasersaddle is a feature-packed laser sighting solution for remington 870 and tac-14 shotguns in 12 gauge only.Attaching seamlessly to the receiver, the ls-870 provides an ambidextrous laser activation pad for instant targeting with a powerful 5mw red or green laser.As with all crimson trace laser sights, the ls-870 is user-adjustable for windage and elevation.The ls-870 features a master on/off switch for completely powering down the system.This model provides 3 hours of battery life with two provided cr2032 or 4 cr2016 batteries.*note-does not fit 20 gauge or.410 bore.Power Switch: Ambidextrous On/OffWavelength: 633nMPower: 5mWBattery: CR2032Laser Color: RedFirearm Fit: Remington 870Adjustments: Windage & ElevationFinish: BlackMount Type: Receiver