Timex Expedition WS4 Blue Strap, Silver/Blue Face Unique, oversized wide-screen display with multi-function dashboard gives outdoor information at a glance Altimeter, Barometer, Compass and Thermometer provide essential outdoor information Target Altitude Setting and Altitude Alarm help reach goals and warn of exceeded limits Four Altitude Reference settings allow one touch, in-route calibration for improved accuracy Activity Review mode captures lows, highs and adventure averages