This LED projection clock displays the current time and temperature and report via voice. It can also project the accurate time to your ceiling, wall, etc. You could put it everywhere such as studying room, bed room, desks. Color: black Material: plastic Battery: 3 * AAA batteries (not included) Item size: approx. 9.5 * 8 * 8cm / 3.7 * 3.1 * 3.1 inches Item weight: 185g / 6.52oz