Features: Enhances accuracy with slope and flags lock features, ensuring precise measurements on uneven terrain. It also features a highly definition display and 6x magnification to help you easily measure distances on the course. Builted-in slope compensation technology automatically calculates the real distance on uphills or downhills terrain, enabling you to make better shot decisions in complex landscapes. Quickly lock onto the targets with the flags lock feature and receive a vibration alert for confirmation, ensuring accurate measurements without distraction from surrounding objects. Compact and portable designs, easy to carry, and compliant with golf tournament rules (slope modes can disabled), allowing you to perform at your best in both tournaments and practice place. Specifications: Materials: Plastic Size: about 107.7x70.1mm/4.24x2.76inch Measurement distance: 3-500m/9.84-1640.42ft Measurement response time:<0.5s Speed range: 0-300km/h Telescope magnification: 6x Field of view angles: 7° Battery type: 3.7V 780mAh lithium battery Package Includes: 1pc Golf Rangefinder note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.