KI Store Quartz Silent Non-Ticking Wall Clock with Temperature and Humidity 14 Inch Contemporary Large Decorative Wall Clocks SUPER QUALITY. Quartz Sweep Movement guarantees accurate time and absolutely silent environment; Average battery can last about 6 months. CONTEMPORARY WALL CLOCK . High-quality translucent glass, can actually show a dial-quality, transparent appearance. Framed by a silver-tone metallic case, the round black metal dial features two colors hands and clear arabic numeral hour markers. CELSIUS TEMPERATURE and HUMIDITY. Measures temperatures from -30 to 50 degrees celsius. Humidity readings from 0% to 100% RH LARGE CLEAR NUMERALS. Large numerals against the face make it easy to view. Size: 14 inches in diameter. Powered by one AA battery (not included). Please use average carbon battery, in stead of high duty batteries.