This environmentally-friendly clock doesn't need any batteries and is powered by the solar panel located on the top of the clock. The large LCD features easy-to-read 3/4" tall numbers showing the time (12 or 24 hour clock), day, date, year, and temperature (°F or °C), and has an audible alarm with snooze control. Efficient solar panel operates on minimal light. Available in metallic silver finish with green trim. Gift boxed.