The Barska 8x30 Battalion Binocular with Internal Rangefinder is a high-quality binocular that's ideal for any tactical situation. The internal rangefinder allows the user to easily obtain a distance to an object, and the binocular also features a directional compass. The Battalion 8x30 Binocular has been designed with rubber armor for a shock-resistant, comfortable grip and a waterproof/fogproof exterior for performance in the most demanding conditions.• BAK-4 Porro Prisms• Fully Multi-Coated Optics• 100% Waterproof and Fogproof• Internal Rangefinder / Compass• Tough Rubber ArmorSpecificationsModel Number: AB11776Focus System: IndividualPrism Type: PorroPrism Glass: BAK-4Magnification: 8xClose Focus: 16.04'Eye Relief: 22.8 mmObjective Lens: 30 mmExit Pupil: 3.75 mmField of View @ 1000 yds.: 423'Optical Coating: Fully Multi-CoatedWaterproof: YesFogproof: Yes (Nitrogen CO2)Weight: 50 oz. Finish: Matte BlackIncluded Accessories: Carrying Case, Lens Covers, Neck Strap, and Lens ClothMfr. Warranty: Limited Lifetime Warranty Internal illuminated directional compass Rubber armor for a shock-resistant, comfortable grip 100% waterproof & fogproof for performance in demanding conditions | Barska 8x30mm WP Battalion Range-Finding Reticle Illuminated Compass Binocular