Pro Trek watches combine the best of technology and innovative designs. Bluetooth Smartphone Link and Pro Trek Connected app - records information, tracks GPS route information and more. Quad Sensor system - compass altitude/barometer temperature. Accelerometer tracks steps count. Auto time adjusts ensures time settings are always correct. Specify sequence to be used when displaying modes. Double LED light and LED light for the face. LED Backlight with afterglow. Compass direction calibration measures up to 360-degrees. Altimeter range up to 10000 M/32800ft. Barometer with pressure level differential. Thermometer range 14F to 140F (-10C to 60C). Power saving mode - sleep state for fixed period of non-activity. Black resin band and durable case. Button guards to prevent operating error. Large rotary bezel. World time: 30 time zones (38 cities + coordinated universal time). 1/100-Second stopwatch. 5 Daily alarms. Hand shift feature. Full auto-calendar. 12/24-Hour format. Analog display with 3 hands. Digital display with time date month and day. Approximate 2-year battery life. Case size: 57.5 x 50.8 x 15.8mm. Water resistant to 100 M.