Bushnell Pro X7 Golf Laser Rangefinder with JOLT Pin Seeker with JOLT technology ensures you know when you hit the flag Ranges from 5 yards to 1 mile; 550+ yards to flags; 1/2 yard accuracy from 5 to 125 yards 7x magnification and premium HD optics ensure bright clear images 2nd generation E.S.P. and Vivid Display Technology dramatically improves contrast, clarity and light transmission Product Dimensions: 5.5 x 4.25 x 2-Inches Class 1 laser with &lt;0.5mW average power output