🔫 Elevate Your Aim with Style! Shockproof and weatherproof design for all your tactical adventures. Experience crystal-clear targeting with high transmittance lenses. Switch between red and green reticle colors effortlessly. Powered by two AA batteries for longer shooting sessions. Fits seamlessly on any 20mm tactical rail. Dual AA power 20mm lens 10 brightness levels The 552 Metal Holographic Red&Green Dot Sight Scope by OHHLION combines cutting-edge technology with robust materials, ensuring a reliable and clear shooting experience. With adjustable brightness and versatile mounting options, this scope is perfect for any tactical enthusiast.