Hidden inside this adorable owl is a white noise machine that does double duty; it plays soothing sounds at bedtime, and it’s triggered to restart any time in the night your baby makes a peep. A smart choice for sleep-deprived parents, Night Night Owl Smart Sensor uses proven soothing sounds like lullabies and white noise to lull your little one into a restful, relaxing sleep. Soft and cuddly, Nighty Night Owl Smart Sensor will be your child’s favorite stuffed playmate during the day, and your favorite sleep solution at night. That’s one wise owl!Key FeaturesPlays 4 Soothing Sounds and 4 Peaceful Melody Options: - Mother's Heartbeat/Twinkle-Twinkle - Spring Showers/Rock-a-Bye Baby - Ocean Surf/Classical Lullaby - Whale Songs/Tranquil MelodyResponds and restarts its soothing sounds when baby vocalizesThree sound sensitivity levels to adjust the sensor to environmental noiseRestarts from the last melody played at the same sound level last selectedAdjustable volumeScientifically proven to promote better sleepTwo sleep-timer options with auto shut-off: 23 and 45 minutesVelcro tab for easy attachment to baby’s crib Super soft polyester plushRemovable white noise machineCan be machine washed and dried when sound machine is removedRequires 2 AA batteries (included) Recommended for ages 0+