Our light blue jellyfish light designed for the bath is meant to encourage relaxation. It glows softly with light that fades in and out for a gradation effect. The design is stylish and simple, helps you focus on breathing to relieve stress while in the bath. At 3.25" wide and 2.5" tall, it can fit into your palm. Outside the bath, it's a stylish addition to any room as well. The light unit is detachable for washing and the light switches on/off by a simple switch on the bottom. Uses two CR2032 button batteries which are included. Not recommended for children under 3 years.