Features:Large LCD displays time (12/24)，calendar (MM/DD)， temperature (¡æ)， alarm status (ON/OFF).If bright light needed， please touch the top to use nightlight， which lasts 5 seconds.Smart light auto sensor automatically illuminates display in a dark environment.The normal measuring range of temperature is -10¡æ to 50¡æ(14¨H to 122¨H).Power Supply: 3 * AAA batteries (Not included).Specifications:Color: As picture shownProduct Size: 13.5 * 7.8 * 4.5cm / 5.3 * 3.0 * 1.8 inchesProduct weight: 152gPackage size: 14.5 * 9.0 * 5.5cm / 5.7 * 3.5 * 2.1 inchesPackage Weight: 185gPower by: 3 * AAA batteries (Not included)Package List: 1 * Alarm Clock1 * User Manual (English)