Gentle Giraffe helps create an ideal sleep environment by peacefully changing the sounds in your room. Our unique Serengeti sounds will take your child on a magical journey while effortlessly transforming playtime to sleep time. Gentle Giraffe Features: Four peaceful sounds: Safari Groove, Safari Trail, Victoria Falls and Mother's Heartbeat Push-button sound selection with volume control Two sleep-timer options: 23 and 45 minutes Fully illustrated safari storybook and adoption certificate 2 AA batteries included Ideal for all ages