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 and Weight: Approximately 9x9x10.5cm, 0.188kg Packing: Neutral English box Main Features: - 5 music alarm options with built-in large speaker for clear and adequate sound - Switchable 12/24 hour time format - Temperature display with Fahrenheit/Celsius conversion - Blue or green backlight option - Supports 24-hour continuous voice announcement of time and temperature - Includes 15-hour intelligent voice time and temperature reminder mode - One-touch control for time setting, snooze, and alarm functions - Clear projection display and loud audio output - Snooze function available with 10-minute interval Function Key Descriptions: 1) "Mode" is the function key – Press once to adjust time: "HR" adjusts hours, "MIN" adjusts minutes Press twice to set alarm time Press three times to adjust hourly chime option (HR) and startup duration (MIN) 2) In normal state, press "HR" to switch between 12/24 hour display 3) Press and hold "HR" while pressing "MIN" to toggle between Fahrenheit and Celsius temperature display