Laser Link Quickshot 2.0 Rangefinder The simplest-to-use rangefinder in golf Red Dot Aiming System featuring the Zero-In Alignment Aid Smaller, lighter and faster than previous models, with increased range up to 400 yards Large, easy-to-read external LCD Flagstick reflector required for use The simplest-to-use rangefinder in golf Red Dot Aiming System featuring the Zero-In Alignment Aid Smaller, lighter and faster than previous models, with increased range up to 400 yards Large, easy-to-read external LCD Flagstick reflector required for use.Class 1 laser product, .0000471 mW power output.