Fast and accurate Golf rangefinder with Slope switch and magnetic function, meet your daily needs The ACEGMET laser golf rangefinder is one of the ideal devices that give accurate measurements to help you finish your golf game The golf yardage rangefinder is equipped with the Slope function, which can not only help you calculate complex measurements and get perfect results, but is also legal in tournaments by turning off the slope switch. A powerful magnetic function will release your hands. The 1000mAh large-capacity battery can support you to complete 8000 tests without any problem Our golf scope rangefinder comes with 6 built-in measurement modes for ultimate versatility: Mode 1 -Distance Measurement (Slope switch make it legal for Tournament Play) Mode 2 -Golf Flagpole Mode, distance measurement with flag pole lock technology - emits a short vibration when a consistent distance reading for the flag is confirmed Mode 3 -Two-Point Height Measurement Mode. Get the height of an object with two measurements Mode 4 -Auto Height. Measure the height of the fuselage to the object Mode 5 -Auto Level(Hor). Measure the horizontal distance from the fuselage to the object Mode 6 -Speed Measuring Mode. Show the speed of moving objects SPECIFICATION: Magnification: 6 X Field of view: 7° Objective lens diameter: 23mm Measurement Distance Range: 4-650 Yard Distance Measuring Accuracy: +/- 0.5 Yard Diopter: +/- 5.0 D Laser wavelength:905 nm Power:1000mA lithium battery Charging port: USB PACKAGE: 1 * Rangefinder 1 * Carrying Pouch 1* USB Data Cable 1 * Hand Strap 1 * Lens Cloth 1 * User Manual