USB/Battery PoweredThe LED jellyfish lamp is powered by DV5C/500mA USB port or powered by 4 AAA batteries (not included). Remove the battery if you use a USB cable. Lifelike JellyfishThe artificial lifelike jellyfish, the action is realistic and fascinating; these two jellyfish dotted with neon lights are swimming majestically around their tanks. Color ChangingThe LED jellyfish lamp can set color randomly, and the color will change every time you look at it, bringing new pleasure to the eyes and senses. Easy to UseInsert the 4 AAA battery or connect the USB port. Fill the water tank with water and turn on the lights. Add 3 drops of dishwashing liquid to the water and let stand for 1 minute. Recover the tank and serve. Widely UsedThe LED jellyfish lamp can create a soothing and tranquil environment suitable for children's night light office and home. It is also an excellent gift for those who love marine life or want to make a unique design statement. Product Name: LED jellyfish lamp Input voltage/current: DV5C/500mA Product size: 10.7*30CM/ 4.2*11.8" Material: ABS & Acrylic Color: Colorful Powered: USB/4 AAA Battery Powered Use: Night light, Table lamp Note: 1. Do not let the lamp work more than 8 hours a day to save the life of the motor. 2. If there are bubbles, just shake the jellyfish upside down. 3. Remove the battery if you use a USB cable. 4 .Due to the difference between different monitors, the picture may not reflect the actual color of the item. 5 .Please allow slight dimension difference due to different manual measurement. Thank you for your understanding. 1 x Mood Lamp 1 x USB Cable 2 x Jellyfish