Note: This clock is not include battery. Product Name: LED mirror clock Material: ABS Size: Square (81mm x 81mm x 34mm) , Rectangle(72mm x 40mm x18mm), Rectangle (150mm × 55mm × 34mm) Shell color: white Light color: white, red, blue, green Features: 1.LED time display 2.12/24 hour format optional 3. Alarm clock and snooze 4. The temperature is displayed as °C or °F 5. Temperature range: 0°C-50°C 6. Night mode setting (18:00-06:00) 7. Mirror function 8. Time and temperature switch display 9.2 brightness levels Function buttons: MODE, ALARM, SNZ / LIGHT, UP, DOWN Time memory function Power mode: 1.3*AAA battery (not included) 2.DC 5V USB cable (included) Note: When the battery is charged or powered by the USB cable, a BI sound is emitted and the LED lights up. When the battery is charging, press the SNZ / LIGHT button and the LED will illuminate for 5 seconds. When using a USB cable, the LED indicator will always illuminate. The package includes: 1PCS* alarm clock 1PCS*USB cable 1PCS* instruction manual Note: The size is measured manually and there is an error. Please refer to the actual product.