The Leupold GX-1 Hunting/Golf Rangefinder is a high-quality rangefinder designed for both hunting and golfing purposes. With a sleek black design and powered by batteries, this rangefinder offers accurate measurements in both decimal and imperial units. The Leupold GX-1 features a laser sensor for precise measurements, making it an essential tool for any golfer or hunter looking to improve their accuracy and performance. It turns on, I don't know anything about it.