•Take off the top cover of the fish tank, take out the DC5V power supply USB cable, and put the water pump USB cable out of the tank with the alignment hole, and then add water into the tank.
•Put the upper cover on, insert the USB cable of the water pump into the USB hole, then plug in the USB cable of the DC5V power supply, and then insert it into the power socket to use.
•The LED light has 6-segment modes, press once, the white light is on, press again, the blue and white light is on, press again, the red and white light is on, press again, the blue light is on, press again, the red, white and blue light is on, press again, it turns off.