Skycaddies latest device the SX400 comes over 35,000 pre loaded courses, more can easily be downloaded. Coming with a slightly smaller yet just a clear 4 inch HD Display, with changing brightness and contrast settings, viewing your display, regardless of conditions couldn\'t have been made easier. Practicality of the device has also seen an improvement with a highly-water resistant sleek and compact design. Easily small enough to slip into your back pocket yet substantial enough to mount onto a cart or trolley.