This high-performance angle-compensated laser rangefinder is an essential companion for extreme hunters, shooters, and archers. With four target modes - normal, first, last, and extended laser range mode - it is ideal for any ranging environment. The primary HCD (Horizontal Component Distance) range mode provides key angle-compensated range information required by the vast majority of shooters in a simple, quick-to-read display. The Razor HD 4000 also has a LOS (Line of Sight) range mode and a scan feature, making it a versatile tool for all your ranging needs. Specifications Range reflective: 4000yds Range tree: 2500yds Range deer: 2200yds Accuracy: ±0.5yd @ ≤ 199.9yds, ±1yd @ 200-1000yds, ±2yds @ >1000yds Max angle reading: ±70 degrees Magnification: 7x Objective lens diameter: 25mm Linear field of view: 341.25ft @ 1000yds Angular field of view: 6.5 degrees Eye relief: 16-19mm Length: 4.4" Width: 1.7" Weight: 9.9oz Includes soft carry case, lens cloth, 2mm Hex wrench, and CR2 battery