Voice control: clap your hands or knock on the table to wake up the alarm clock In the time state, short press the SNOOZE button, the brightness will be set in cycles from 1 to 5 22:00-6:00 Brightness automatically enters low brightness mode Press and hold the + button for 3 seconds to switch the display mode In the time state, press and hold the SNOOZE button for 3 seconds to enter the do not disturb mode, turn off the display, turn off the voice-activated wake-up, and only manually press the button to wake up the screen. 12/24H display switching: long press the S key, 12/24H display can be switched by +/- Celsius/Fahrenheit display switching: in time state, press and hold the - key for 3 seconds to switch the temperature Fahrenheit/Fahrenheit display Body Type:Alarm Clock Color:black Size:as show Material:plastic Package include:1pc Alarm Clock Note: 1. Please note that the photo does not show actual size, please refer to Description for size details. 2. Please allow differences due to manual measurement, thanks. 3. Due to the difference between different monitors, the image may not reflect the actual color of the item.