Rated at 200 yards of visibility at night and 50 yards in daylight. Adjustable for windage and elevation. Includes both Dovetail and Weaver-style mounting rings. Includes tactical on/off pressure switch Easily mounts and sights-in within minutes. Fits most rifles and pistols. Specifications: Class 3R Red Laser 5mW output MOA: 10 Windage/Elevation Range 635 to 655 +/- 10nm wave length .4" dot size @ 100 yds 50 yds visibility/indoor light 200 yds visibility/outdoor night Weight: 1.60 oz Black matte finish Dimensions: 2.5" long, 1.25" high Features: Adjustable for Windage & Elevation All solid state components will withstand over 1,000 G's Powerful Class IIIa laser 640 10nm Military Style Markings For Ease of Use: Windage/Elevation, Battery and Product Identification Includes Weaver & 11mm rings, Tools, Mount, Manual, Momentary On/Off Remote, and (2) LR44 Button Batteries