Electro-luminescent display allows viewing in dimly lit areas; light turns off automatically after three seconds to save battery life. Uniquely shaped body with micro-touch buttons provides a solid response feeling. Features a clock, calendar, and an alarm that can be set to sound at a specific time or every hour. Times single events, time-out activities, and cumulative splits. Watertight and impact-resistant. What's included: 40" long neck cord and litium battery.