The rangefinder includes 3 functions. The device can be used both as a rangefinder, as binoculars or as a speedometer. The easy-to-use device works with a measuring accuracy of +/- 1 m or +/- 5 km/h. Prevents nasty distance surprises in your own hunting ground or on a hunting trip! Weight: 185 g. With 6x magnification. Field of view: 12 m at 100 m. Range: max. 400 meters. Color: black. Requires one CR2 3V battery (please order separately).