12/24 hour format optional Alarm clock and snooze The temperature is displayed as ℃ or ℉ Mirror function Time and temperature switch display.2 brightness levels Night mode setting: 18: 00-06: 00 Temperature range: 0℃-50℃ Five function buttons: MODE, ALARM, SNZ/LIGHT, UP, DOWN Time memory function: 3XAAA batteries memory Power consumption: 3 AAA batteries (not included) USB charging cable (included) Function: Decoration, thermometer, mirror, alarm clock. Operating instructions: When using a USB cable for power supply, a BI sound will sound and the LED light will light up. When the battery is powered, press the SNZ/LIGHT button and the LED will light up for 5 seconds. When using a USB cable, the LED indicator light will always be on. size: 14 x 3.4 x 5.5cm Material: plastic colour: Black Package Contents: 1 x Clock 1 x USB charging cable 1 x English instructions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.