Power Supply1
AAAbattery * 3pcs (not included)
Power Supply2
DC 5V USB cable (included)
Key feature 1
LED display time with brightness adjustable
Key feature 2
12/24 hours switchable
Key feature 3
temperature display Fahrenheit and Celsius switchable
Key feature 4
3 sets of alarm
Key feature 5
Sound control
Key feature 6
Year, Month, Date display