[Gogogo Sport Vpro Gen 2 Series Golf Rangefinder is designed for next-generation golf ranging. Unique Feature One – Ultra-Clear Optics and OLED Display - Enhanced optics and clear displays significantly assist golfers in clearly identifying their targets. Adjustable brightness of the OLED display can be tailored to various environments ensuring an optimal viewing experience. Unique Feature Two - Dual Power Sources - The Gogogo Sport Gen 2 golf rangefinder is evolutionarily designed with dual power sources allowing it to be both rechargeable and powered by two replaceable AAA batteries. This feature offers golfers enhanced flexibility and convenience. Other Main Features – Great Accuracy Max 1200Yds Measuring Distance Golf Slope Compensation Slope On/Off Button 300 yds for Flag-lock/ 350 yds for Flagpole Lock Magnetic Horizontal Distance Measurement Lightweight Easy-to-Use Carefree Shopping Experience - As a professional laser rangefinder seller and manufacturer for decades Gogogo Sport firmly stands behind the product providing 24/7 customer service. If any customer has any questions whether pre-purchase or after-purchase we will give satisfactory solutions.]