This triangular wall clock features visible moving gears. The plastic body is faced with a brushed aluminum dial with numbers every quarter hour. The clock has a mix of brushed aluminum and silver plastic gears that move continuously along with a small center gear that ticks every second. A plate glass cover is mounted on the front. The clock is 13 inches by 15 inches by 2.75 inches. Precision timing is kept with quartz crystal. The clock is powered by 2 C and 1 AA battery (not included) and includes a 1 year limited warranty.