Aimpro ALFA Red Dot Scope with Red Laser Features Red and Green DotDigital Push Button ControlsFlip up Lens CoversRock Solid ConstructionBuilt in Red LaserSingle Battery Power SupplyFast Target AcquisitionMulti-coated LensIntegrated Picatinny MountRugged and Durable SPECIFICATIONS: Length - 128mm Width - 62mm height - 85mm (40mm to Center of Optic) weight - 11.3 oz finish - Anodized Temp Range - -30F to +140F Waterproof - IP65 Aimpro Precision Optics Trusted, Proven, Reliable The Aimpro ALFA Sight is the Newest Addition to our line of Red Dot Rifle Scopes, using the latest Advanced Circuit Efficiency technology ACET which provides superior reliability and battery life. Designed for the avid sportsmen all Aimpro products are built to the highest degree of precision unmatched by our competitors. The Aimpro Alfa is a testament for all our hard work and research offering the latest in ergonomics, function and reliability. Crisp 4 MOA Red or Green Dot with 1/2 MOA per Click W/E Adjustments and Precise digital controls with 8 Brightness Levels. Powerful Built in Red Targeting Laser with Precise Tool-Free W/E Adjustments of 1 MOA Per Click. Class IIIa Laser, 5mW power output. Sealed and Nitrogen Filled, Waterproof, Fog Proof and Shockproof, Rated for 800G of Impact so its Ideal for Heavy Recoil Shotgun or Rifle Applications, Wont loose Zero Designed for Both Eye's Open Shooting Giving the Shooter a Unlimited Field of View and fast Target Acquisition Modes of Operation: Red Dot only, Red Dot with Laser, Green Dot only, Green Dot with Laser, 8 Brightness Levels for Red and Green Dot. Control the Laser and Red Dot Independently with Digital Push Button Controls, The Red Dot and Laser are Powered by 1 CR2 Battery With ACET Technology for Long Battery Life