Creative design, multi-functions and reliable quality. Features: The water stored in the fish tank can be running circularly that fresh air can be provided for the fishes living in the fish tank. Hold about 1.5L of water. Adjustable overhead LED light and multicolor LED interior lights under water. 2 switches are used for turning on/off the LED light and switching the water pump on/off. 6 modes of tranquil nature sounds, like sounds of frogs, sounds of bird, sunds of water, etc. Backlighting LCD display is featured with alarm clock, calendar, time, date, temperature, and snooze. Dual compartment desk organizer or pen holder for setting pens, rulers, etc. Special and unique gift for your friends.They will like it! Specifications: Color: Black Material: Plastic(main) and Metal Batteries: 3 * AA batteries (not included) for LCD USB Power: DC 5V for the fish tank's pump and lighting LED light: 6 white LEDs and 2 colour-changing LEDs LCD display: Clock, calendar, alarm, temperature Sounds: Sounds of frogs, sounds of birds, sounds of water,etc Item size: 24 * 20 * 9.7cm Item wight: 705g Package size: 27.5 * 21 * 13.5cm Package wight: 991g Package List: 1 * USB Fish Tank 1 * USB Cable 1 * Pack of Pebbles 1 * User Manual