It has been opened, but has not been used on a golf course. Only the operation has been confirmed. Brand: Shot Navi Model Name: EvolvePRO(W) Compatible Vehicle Type: Golf Cart Screen Size: 1.4 inches Features: Waterproof, Bluetooth Connectivity Technology: Bluetooth, USB 【Industry's Largest Display】Compared to previous models, the screen size is 36% larger and the weight is 12% lighter. 【Latest GPS Chip】Adopts the latest GPS chip "M10" from u-blox. 【Emphasis on Outdoor Visibility】Employs SHARP's "MIP color reflective LCD (MIP: Memory In Pixel)". 【Auto Measure Function】Equipped with an "Auto Measure Function" that automatically detects shots and registers those locations. 【New Features】Equipped with "Layup Navi" and "Green Direction". 【Reliable Made in Japan】Assembled, packaged, and inspected entirely in our domestic group factory, achieving a more reliable and high-quality "Made in Japan". Product Dimensions: 4.75 x 4.75 x 1.32 cm; 65 g Item Model Number: EvolvePRO