Description The LE221G is a class IIIa visible green laser aiming device with a coaxial mounted class 2 IR (infrared) laser for use with night vision devices. The LE221G features a grade 5 titanium housing with a quick release Picatinny rail mount. The LE221G 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 LE221G also includes tactile windage and elevation adjustments for a precision zero and a top mounted activation button. Specifications: ELECTRONIC SPECS Power Source Battery Battery Type CR123A Battery Life (Hours) Up to modes Brightness Setting Up to modes PHYSICAL SPECS Window Size N/A Dimension (in) 3.43×1.77×1.34 Weight (oz) 6.88 MECHANICAL SPECS Housing Material Titanium Surface Finish Titanium Adjustment per Click 0.5 MOA W&E Travel Range ±60 MOA ENVIRONMENT SPECS Storage Temperature -40℃~65℃ Working Temperature -40℃~51℃ Submersion IPX8 Vibration 1000G ILLUMINATOR SPECS White LED Candela N/A Laser & Illuminator Type Dual Laser White LED Output N/A IR Illuminator Class N/A IR Illuminator Output N/A IR Pointer Class IIIB IR Pointer Output 0.1mw(low)/0.7mw(high) Visible Laser Class IIIA Visible Laser Output 1mw(low)/5mw(high)