JVR B06 Glow Ball Nightlight with Portable Removable Balls for Children, White LED Base with Sliding Switch Adjust Seven Multi-colors, Help Kids Fall Sleep JVR B06 glow ball nightlight let light shine brought to you and your family a dream-like world. They glow with brighter multi-colors when they remain in the LED base, and glow green for a while when taken off or removed from the base A sliding switch at the bottom of the base controls the color of the lights. The portable removable balls are very light weight, like large ping-pong balls The glow is illuminating enough to be relaxing throughout the evening without injuring yourself. The spectrum of color choices allows us to tailor the light to our mood. Sometimes, soft blue is just what we need to take the edge off of our anxiety or stress. Other nights, a warm red glow let us bask in our excitement from the day until we drift off to sleep. The varying colors also bring new life to nearby artwork, which is strikingly different with each hue The balls are small and removable, and are plastic spheres coated with glow-in-the-dark material which has a light faint green glow when exposed to light from the base stand. They have been great to signify that's it's really bed time after our layer down for half an hour The balls are not electronic. They can be used by kids or even tucked in with them in the bed. Low energy LED base means no hot surfaces for your child to touch