*2 MOA illuminated reticle stays in alignment with the Red Dot Sight, regardless of eye position*Pressing the button once to turn Red/Green Dot sight on and holding the button for 3 seconds to turn it off.*Constructed of rugged, high-strength materials that include milled 6063 aerospace aluminum, and stainless steel. It is lightweight and can perform in harsh environment.Laser Class: 3R(IIIa); Maximum Output Power: 5 mw