GPCT Starry Sky Projection LED Alarm Clock, Timer, & Music Player. Comes with 10 ringtones, Calender, & Thermometer. Displays Time in 12hr and 24hr time modes - White STARRY NIGHT SKY PROJECTION - This multifunction alarm clock plays soothing sounds and songs, and also projects a starry sky onto the ceiling. FEATURES - Clearly displays accurate time, date, and temperature in C or F. Can be set to twelve or twenty four hour time format. MULTIPLE MODES - Switch easily between time/alarm/timer/music modes. Includes snooze function and LED backlight. SLEEP AID SOUNDS - Ten relaxing preset songs and natural sounds to soothe you or awaken you gently. INDUSTRY LEADING CUSTOMER SUPPORT - You can continue to rely on Electro-Deal to offer the markets most competitive prices, paired with industry leading customer support, and all backed by a one year, full manufacturers warranty on new products or a 90 day limited warranty for refurbished products! Battery: 3 AAA 1.5V batteries( not included) Temperature: 0-50, 32-122 Time Format: 12 hours and 24 hours Functions: Clock, alarm clock, timer, music player LED Alarm Clock User Manual