The LE221 is a class IIIa visible red laser aiming device with a coaxial mounted class 2 IR (infrared) laser for use with night vision devices. The LE221 features a grade 5 titanium housing with a quick release Picatinny rail mount. The LE221 is powered by a single CR123 battery which can provide up to 5000 hours of battery life. The rear facing selector switch lets the user select between visible low, visible high, IR low, IR high activation using the included remote pressure switch or turn the unit OFF. The LE221 also includes tactile windage and elevation adjustments for a precision zero and a top mounted activation button.