EYES SEE GREEN BETTER a 3 MOA Green Dot a 22x26 mm viewing window a RMR Mounting Footprint & Picatinny mount included a Auto shut off and INSTANT-ONA(R) technology a High-grade aluminum alloy body, lightest in its class a Designed from the ground up to ensure clarity, solid function, and rapid target acquisition a Designed to fit full-size handguns, shotguns, and rifles a With 2 night vision brightness settings, the RFX35 is the perfect optic for your pistol in any light condition a Tested in the harshest conditions to ensure your optic will be ready whenever you need it a 8 Visible & 2 Night Vision Brightness Settings TECH SPECS ACTIVATION: User controlled and INSTANT-ONA(R) Dimensions: 1.93" x 1.16" x 1.2" MOUNT: RMR standard footprint BATTERY LIFE: 30,000+ hours (middle settings) BATTERY TYPE: CR2032 OBJECTIVE LENS: 22x26 mm TOOLS: Included in packaging MATERIALS: 6061-T6 aluminum alloy OP TEMP: -4 AdegF to 130 AdegF WATERPROOF: IPX6 WEIGHT: 1.0 oz WARRANTY: Lifetime Limited DOT SIZE: 3 MOA DOT COLOR: Green AUTO OFF: 2 minutes