FeaturesSelect the sound of your choice or shuffle mode Projects a night sky scene onto your ceiling Relax to the sounds and special colour change light effect Sound will auto off after around 30 minutes Options of sound only, light only or both We know how tough it can be getting to sleep? let this Lifemax Star Projector Cube - White soothe restlessness and insomnia or help with tinnitus as it turns your ceiling into a night sky scene. You have the freedom to choose between sound, light or both - a handy 30-minute timer ensures you are not woken once you have dropped off.