The Astra Optix HBX 1600B rangefinding binocular is what we call a true value. The features and quality we incorporated within this budget friendly rangefinding binocular gives you all the optical viewing performance and rangefinding capabilities you would expect in a higher end product. Features Fully Multi-Coated Lenses and our High Transmission LCD display, with multiple reticle options, giving you versatility and higher light transmission performance. This rangefinding binocular has multiple ranging options including bow and rifle modes, as well as integrated ballistic capabilities for ultimate accuracy that matches your hunting set-up. The HBX 1600B rangefinding binocular provides you the confidence, quality and features at an unmatched value. Specifications for Astra Optix HBX1600B Laser 10x42mm Rangefinder Roof Prism Binoculars: Manufacturer: Astra Optix Magnification: 10 x Objective Lens Diameter: 42 mm Color: Green/Black Maximum Range: 1760 yds Rangefinder Application: Golfing Range Response Time: 0.15 seconds Battery Type: CR2 Lithium Battery Life: 10,000 Measurements Weight: 860 g Width: 2.52 in Length: 6.41 in Minimum Focus Distance: 3.3 yds Diopter Adjustment Range: -5 - 5 dpt Twilight Factor: 20.49 Eye Relief: 5 in, 15.1 mm Interpupillary Distance: 56 - 75 mm Operating Temperature: 23 - 120 Fahrenheit Weather Resistance: Rainproof Accuracy: +/- 1 Wavelength: 905 nm Included Accessories: Standard Condition: New Package Type: Box Water Resistance Level: Waterproof Prism System: Roof Finish: Durable Battery Quantity: 1 Minimum Range: 10 yds Features of Astra Optix HBX1600B Laser 10x42mm Rangefinder Binoculars Ultra-Fast Ranging; Accurate Long Ranging Capabilitie; High Transmission Lcd Display With 3 Reticle Options; Premium Optical Quality; Advanced Technologies And Lifetime Protection; Optical System: Roof/BaK4 with 10x; Reflective: Up to 1760 Yards; Tree: Up to 1000 Yards; Deer: Up to 800 Yards Package Contents: Astra Optix HBX1600B Laser 10x42mm Rangefinder Binoculars 10x42mm Laser Rangefinder Binocular Astra Bino Harness with Soft Premium Carry Case Microfiber lens Cleaning Cloth Objective Covers with Cord Attachment Eyepiece Lens Cover Astra Optix Decal Sticker CR2-3 Volt Lithium Battery (Battery Pre-Installed) Quick Start Guide.