Description: Stylish: Black plastic frame is generous, precious and elegant. Easier See: The large HD transparent glass display can clearly display the year, month, day, hour, minute, and second, is convenient for viewing. ( is displayed by a 1.8inch digital tube, is convenient for viewing distance.) Function: Alarm Clock, Hourly Hour, Year, Month and Day Display, Week Display, Temperature Display. The Gregorian calendar is automatically compared to 2001-2049. Automatically corresponds to , and automatically adjusts for years and large and small months. Real time temperature. Automatically sense the indoor temperature to protect of your family. Clear and pleasant voice broadcast function. Clock Accuracy: or equal or minus 0.3s/month. Silent: Mute time the a Silent sleeping environment. Specification: Name: LED perpetual calendar electronic clock Material: Plastic Mirror material: glass mirror Power supply: USB plug Applicable scene: living room, dormitory, dining room, bedroom Size Chart: 36cmx15cmx3cm/14.17inchx5.91inchx1.19inch Package Includes: 1pc Clock Alarm Note: Please allow slightly errors due to manual measurement and different monitors.