We, GPS watch manufacturer, provide you the advanced SiRF Star III based Watch GPS enable you with accurate time always, temperature, altitude and tracking log. You will not miss public transportation. It can record your tracking log outdoors, in the big lake or on the sea. The GPS-50 also provide you friendly sharing interface. You may send your tracking log to your friend. You may use our solar charging device for long stay where you can not have regular power supply. | 