Features:1. 100% Brand New.2. Material: ABS + silicone jellyfish + electronic components;3. Color : See the picture;4. Size :18cm x 10cm x 23cm;5. Operates on 3 x AA batteries (NOT Included) or optional USB Cable (included)Note: Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.How to use:1.add water to the tank and a few drops of liquid dish soap to the water (getting your jellies to swim about properly)2.soak the jellyfishes in the water for about one or half day3.take out the jellies and pour out the water，add fresh water to the tank of top scale4.place the jellyfishes into the water tank after washing，add a few drops of liquid dish soap to the water5.cover the lidPowered by:3 x AA batteries (not included)/USB chargingPress the ON/OFF button，the light begin to work in automatic color modePress the LIGHT button to change the light color modePackage Included:1 x Jellyfish LED Lamp1 x Usb Cable3 x Jelly Fish