See your alarm clock in the dark! Glow-in-the-dark background and hands illuminate time so you can see face clearly in the night. Glow in the dark alarm clock uses solar energy to enhance glow at night. See room temperature, too. Easy-to-set glow in the dark clock has loud alarm. Measures 4 1/4" W x 3 1/4" H x 1 3/4" D; uses 1 AA battery, not included. PLEASE NOTE: This item has been built to U.S. electronics specifications and may need additional modifications or converters to be used in countries other than the U.S. and Canada.