Multi-function LED Projection Alarm Clock Voice Talking Clock Type: Alarm Clocks Shape: Geometric Style: European Applicable Places: Study room, office, bedroom, living room Special Features: Luminous, perpetual calendar, thermometer Power Type: 3xAAA battery (not included) or USB 5V Shell Material: Plastic Color Options: White without USB cable, Black without USB cable, Black with USB cable, White with USB cable Product Dimensions: Approximately 9x9x10.5cm, 0.188kg Packaging: Neutral English box Main Functions: - 5 selectable music alarms - Built-in large speaker with clear and appropriately loud sound - 12/24 hour time format switchable - Temperature display with Fahrenheit/Celsius switchable - Blue or green backlight options - Supports 24-hour continuous voice time and temperature announcement - Smart voice announcement every 15 hours - Supports music alarm with 10-minute snooze function - One-button control for timekeeping, snooze, and alarm functions - Clear projection and loud o output Function Key Descriptions: 1) Mode button: Press to enter function settings - Press once: Adjust hour (HR) and minute (MIN) for time setting - Press twice: Enter alarm time setting - Press three times: Set hourly timekeeping option (HR) and choose between 24-hour or 15-hour voice announcement mode (MIN) 2) In normal display mode: Press HR button to switch between 12-hour and 24-hour time format 3) Press and hold HR button while pressing MIN button to switch between Fahrenheit and Celsius temperature display