This is 7X weatherproof digital golf range finder. It being to adopt the precise optical technology and distance digital measure technology, this compact electronic golf range finder has two great functions. You can use the best golf range finder to measure the distance between you and the golf hole without striking a blowing. You also can use it to measure the distance between you and other targets. The superior lens coating in the finder protects against glare and scratches. Besides, this best golf range finder has 7X magnifications for up-close views of your target. You will get more by this Group Purchase.