Product material: environmentally friendly new ABS Weight with package: 141g Size: Loose Packing List: product manual data cable Features: . Mirror function Display: LED digital display 12/24 hours switching Date display Alarm/snooze Real-time temperature display ℃/℉ (℃/Fahrenheit) Temperature Range:-10 ℃ to 50 ℃ Night Mode (18:00~6:00), the LED lights will automatically dim at night time, and the daytime time will automatically brighten Three-gear brightness adjustment Time memory function (use 3 AAA batteries and power supply USB cable hours at the same time) Dual-purpose power supply: 3 * AAA battery or USB power cord plug-in When using the battery, the LED screen will light up after 15 seconds, enter the power saving mode, and press any key to light up again. When USB cable is used, the LED screen is always on.