Professional Laser RangeFinder G2 Congratulations on your purchase of Rxiry G2 golf laser rangefinder. Rxiry G2 is a precision Laser Rangefinding optical instrument designed to provide many years of enjoyment. It has following advantages: ★ Simple operation, comfortable grip, simple and exquisite shape. ★ High quality optical coating is adopted, which has a very bright observation field. ★ The new red OLED display screen , and the brightness of OLED display screen is automatically adjusted through the control of precision photosensitive devices. ★ This rangefinder has flag lock, jolt, magnet grip, slope compensated distance with physical switch. Help golf lover to make a perfect swing. ★ Bluetooth communication provides more convenience for pair apps.