40000 Pre-Loaded Golf Courses / Auto Functionality Precision Distances / Green View with Pin Placement 15 Hour Battery Life / Caribiner Clip Attachment BITE Magnetic Mount Technology The GPS displays easy-to-read front/center/back of the green distance measurements, with up to 6 hazards per hole. It also offers Dynamic Green View mapping, with moveable touchscreen pin placement for extra precision. It automatically locates which golf course you are playing and advances to the next hole. Plus has a built-in shot distance calculator, and can last up to 15 hours on a single battery charge. Included with your purchase is a Bushnell Golf App which can be downloaded to your smartphone. This provides wireless updates via Bluetooth connection and displays 3D flyovers, hole layouts with distance measurements.