Water resistant, shock/recoil proof. Windage and Elevation adjustable. Durable aerospace aluminum, coupled with a water tight design, 5. Corrosion resistant coatings suited for all operations 6. Wire cable remote control pressure pad switch. Quick release for Picatinny / Weaver rail. Available colors: Black (Hard Anodized) Dimensions: 97x73x44 L/W/H Net Weight: 264g Battery Type: 3volt CR123A Lithium battery 2pcs. Rail Type: MIL-STD-1913Picatinny rail. Laser Wavelength: Green Laser: 532nm Laser Power: Green Laser: = 5mw. Red Laser: = 5mw. LED brightness:180-225lum LED working temperature: -40? Battery Runtime: 4 hours.