Astra Optix 6x21 Rangefinder with Applied Ballistics Black/Tan. In addition to accurate and fast ranging capabilities the OTX-2400A laser rangefinder can range up to 2400 yards on a reflective target. Featuring multiple ranging options including bow and rifle modes as well as integrated embedded Applied Ballistics ballistic capabilities for ultimate accuracy that is customizable to match the exact ammunition ballistics profile for your hunting set-up. Fully multi-coated and rain repellent lens coatings increase overall light transmission and resolution performance as well as a clear and functional OLED reticle with multiple brightness adjustability for quick target acquisition even in low light conditions. Backed with our Handshake Lifetime Warranty the OTX-2400A rangefinder provides you the assurance quality and features at an unmatched price. Specifications for Astra Optix OTX-2400A 6x21 Rangefinder with Applied Ballistics: Manufacturer: Astra Optix Objective Lens Diameter: 21 mm Magnification: 6 x Eye Relief: 16 mm Field of View Angle: 6 degrees Field of View Linear: 315 ft at 1000 yds Water Resistance Level: IPX-4 Maximum Range: 2400 yds Weight: 6 oz Width: 1.45 in Length: 3.87 in Color: Black/Tan Battery Type: Lithium Metal CR2 Minimum Focus Distance: 6 yds Rangefinder Application: Hunting Wavelength: 905 nm Package Contents: Astra Optix OTX-2400A 6x21 Rangefinder with Applied Ballistics Laser Rangefinder Premium Soft Carry Case Microfiber Lens Cleaning Cloth Adjustable Neck-Style Lanyard Free Downloadable Android or iPhone App Astra Optix Decal Sticker CR-2 Lithium Battery Quick Start Guide Astra Optix OTX-2400A: Rangefinder with Applied Ballistics Black/Tan