These 10X50 binoculars are a floating model with illuminated compass. They have one ranging tool.
The eyepiece mils rticle scale can be used to estimate your distance from an object if its size is known, or vice versa. The optics are precision cafted for brightness and clarity of image. Field of view at 10X:(109m/1000m). Exit pupil distance:18.3mm. The product does not contain batteries!!!!