SNDWAY SW-1000D 1000M Handheld OLED Rangefinder Telescope Golf Rangefinder1. Measuring range: 3 1000 1500 2000m + (1. 0m+D x 0. 2%) 2. Measuring unit: m(Meter), Y(Yard) 2. Response time: less than 0. 5s (less than 120M 64ms, greater than 120M 460ms) 3. Speed ?? measurement accuracy: + 5km h 4. Speed ?? measurement range: 0 300km h 5. Telescope magnification: 6X 6. Field of view: 7. 0 degrees 7. Objective lens aperture: 23. 5mm 8. Eyepiece aperture: 15mm 9. Exit pupil diameter: about 4. 0mm 10. Vision adjustment range: + 6