Description: This is a great digital clock with mirror function. It can display time in 12H/24H hour format and indoor temperature in C/F. The LED luminance is adjusted: and bright. Features: Large LED display for clear reading, time & temperature switch display. C / F & 12-hour / 24-hour switchable. Mirror finish design, can be used as a small mirror. Indoor thermometer function, temperature range: 0C~50C(32F~122F). Night function: the LED display will automatically the luminance during the night time. With alarm and snooze function. Press "UP" key to adjust the LED brightness(2 levels). Specification: Material: ABS Plastic Product Color: Black Display Color: White Hour Format: 12H / 24H Night Setting: Default Period 18:00-06:00 Temperature Range: 0C~50C / 32F~122F Power Supply: 3 * AAA batteries(not included) or DC 5V Powered By: USB cable(included) or 3 * AAA batteries(not included) Size: Approx. 14x3.4x5.5cm / 5.51x1.34x2.17inch Package Size: Approx. 14.5x4.3x7.8cm / 5.71x1.69x3.07inch Package Includes: 2 Pieces LED Mirror Clock 2 Pieces USB Cable 2 Pieces User Manual(English) Note: 1.Please allow a slight difference between the size above and the actual item due to manual measurement. 2.Due to the difference between different monitors, there could be a little color difference acceptable, please kindly note.