This listing included 1pcs Golf Range Finder + 1pcs Golf Club Brush.Pin Acquisition Technology:Fast and accurately to pin and lock the target. Easily Switch units between meters and yards by mode button. Vibration function: When the flag distance is locked, the machine will vibrate automatically, it help remove all doubt.Feel the exact distance. Slope Compensation: To help improve your golf game to the next level, switch it off if you don't need it. Battery USB Charging:Different from others with External removable battery,this one use Built-in rechargeable battery for device,No worry to change battery of device.when it charges fully, it can scan 15,000 times.