Joystar Sky Star Night Light Projector Lamp Bedroom Alarm Clock with Music PROJECTOR LAMP - An incredibly lamp that projects the star on the ceiling of your room with music. CLOCK DISPLAY - Calendar, time, date, week display. 12/24 hour conversion, Snooze function, Alarm clock, 2 Thermometer Types Centigrade temperature and Fahrenheit temperature (0C-50C, 32F-122F) MULTIFUNCTIONAL - Music sounds alarm with snooze function. LED backlight MUSIC MODE - Chord music / nature sound alarm, several music to select, Four relaxing natural sound songs and six chord songs for you to choose QUALITY WARRANTY - One year no reason return. Require 3 *AAA Battery (Not include)