LED Display: Shows temperature, time, date and day of the week. 12/24 hour conversion. The thermometer can be switched between Celsius and Fahrenheit (0C to 50C, 32F to 122F).Multi-music: natural sound chord/alarm, colorful stars, project rhythm with music.Multi-Color Color Changing: The colorful light is beautiful, it can help you rediscover the universe by changing the color of a piece of sky at home,Realistic Star Light: Casts starlight realistic star on the ceiling or wall to create a comfortable and relaxing sleeping experience for children, soothe and comfort children's sleep, and also very suitable for adults to achieve a relaxing and soothing effect.Alarm clock function: You can set it to wake your child up in the morning, but you can also play and fall asleep at bedtime. The alarm and sleep functions work well. Great for college students in dorms, parties, families for special events, and kids chilling out.Dimensions: 10 x 8 x 10 cm.Power supply: 3 AAA 1.5V batteries (not included).Package: 1 x Star Projector / Alarm Clock, 1 x User Manual