The Bone Collector Edition 4x20 Laser Rangefinder from Bushnell features the Bone Collector logo on top of the RealTree Xtra camouflage finish. This device performs double-duty as a 4x magnified monocular, and a rangefinder with an in-view LCD display. The rangefinder uses an eye-safe infrared laser to measure distances out to as much as 600 yards with an accuracy of ±1 yard. A single pushbutton operation makes it simple and easy to use in all weather, even with gloves on.