【CHOICE FOR BABY SLEEP COMPANION】 Sleeping in an atmosphere surrounded by ocean wave night light can capture the imagination of children and adults alike. The nature sound machine lull one into a deep sleep. 【Sound Machine & TF Card Support】 Built-in mini speaker, simply plug it into your phone, mp3, computer to play music or insert a TF card, also comes equipped with 4 built-in lullaby songs; 【7 Colors Modes】 The best beach decorations for home.Bring the seaside home to you, give yourself a piece of the (ocean) in multiple changes of color to create a relaxing, romantic atmosphere; 【3 Auto off timer options】 Built-in 1H, 2H, 4H auto off timer, the lamp will automatically power off after the preset time; 【Adjustable Projection Angle】 This galaxy light projector covers the whole ceiling in your bedroom with brilliant waves aurora light show, really amazing stuff! The adjustable 45 degree tilt allows you cover the brilliant light on the whole wall or a different direction according to your needs, beautiful like the northern light.