Aimshot Green Laser With MT61169 Mount: * 4-point alignment system * Most accurate and true holding zero over any other unit on the market * Waterproof to 30 meters * Extremely durable * Lightweight T6061 T6 aircraft aluminum construction * Wavelength: 532nm (green) * Output: 5 mW * Dot size: 0.5" at 100yds * 5-year limited warranty