We are offering outdoor watch. this table can be carried out on your mountain climbing, camping, tourism, and other outdoor activities, real-time monitoring and record your exercise time, hiking altitude and calories consumption, as well as heart rate and other information. • aluminum stylish design • easy replaceable battery • altitude, barometer, compass • exercise records and statistics • user data setting • world time • training programs: avg/ max hr per run • calorie expenditure • water resistant • el backlight