Features Accurate Distance Measurement: Measure distances ranging from 5 to 500m with high precision of 0.5 yards, making it ideal for various golf courses. Slope Calculation Function: Calculate the slope to provide accurate yardage and assist in selecting the right club, enhancing your golf game. Convenient and Easy to Use: Equipped with 6X optical magnification, diopter adjustment, and a compact design, making it a perfect tool for golf enthusiasts. Integrated Structure for Easy Maintenance: Features an integrated design with self-cleaning dust function, making maintenance and cleaning a hassle-free process. Wide Applications: Suitable for meteorological stations, hydrological stations, agriculture, and more, providing accurate and reliable data for various purposes. Features: Diamond tester is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond testing. Nondestructive testing, simple and accurate operation. Highly compact design and light weight, easy to carry. This LED diamond tester will indicate the result whether your diamond is genuine or fake. Specification: Condition: 100% brand new Color: Black Power: DC 9V battery (NOT included) Package List: 1 x Diamond Tester 1 x Belt 1 x Gasket Note: 1. The working environment is 5-35℃, the relative humidity of the air is 80%. The tested gem must be clean, dry and at room temperature. 2. Please note that the new type and old type of this product will be sent andomly, and make sure you will not mind before ordering. Package List