Promotional products: This flip-open travel alarm features calendar with month, day, and year display, interior thermometer (°F or °C) and a dial with 18 international cities that changes the time displayed depending on location selected. Clock features 12 or 24 hour time and alarm with 5 different selectable wake-up sounds. Operates on 1 lithium button cell battery (CR2032) included plus an extra battery. Available in black with grey trim and travel pouch. Battery included.