Ace Golf R502 Laser Range Finder/pin Seeker 5~400-600+ Yd Range White Color: White Laser range finder: Minimum Range: 5M (5Yd); Maximum Range: 400-600M (400-600+ Yd); Accuracy: 1M(Y)0.2%. Golf range finder: Minimum Range to a flag: 5M (5Yd); Maximum Range to a flag: 200-250M (200-250Yd); Pin seeking function: Yes. Monocular: Great clear telescope; Objective Lens: 24mm; Magnification: 6x; Eye piece size: 16mm; Exit Pupil Diameter: 3.9mm Diopter Adjust Range: 4 Working Temperature: -20~50; Battery Type: 1 battery CR2-3V; Weight: 185 G Dimensions: 104 x 72 x 41 mm