1Fish tank light has various functions, including alarm clock, night light, pen holder, calendar, aquarium, thermometer, convenient and practical. 2There is a filtering system in the bottom, which can filter impurities in the water, ensure the water is clear, and continuously add a certain amount of air to the water in the tank. 3Builtin stones and artificial water plants simulate the natural environment to increase the appreciation. 4Builtin 6 bright LED lights, you can read, study and work, and the extension part can be adjusted at will. 5The inner wall of the fish tank is equipped with colorful backlights to improve the viewing value and use of night lighting. 6Alarm clock naturally wakes up the LCD screen to display the calendar, clock and temperature. At night, the faucet runs water to help sleep, builtin a variety of natural sounds to wake up in the morning, and the snooze mode can be set. 7Fish tank light is suitable for bedroom, living room, office, study, reading, etc. Item Type: Fish Tank Light Material: ABS Weight: Approx. 988g / 34.9oz Power Supply Mode: fish tank is powered by USB cable, clock is powered by 3 AA batteries (not included) Applicable Battery: 3 x AA battery (battery not included) Number of LED: 6LED Product Power: 3W Water Capacity: 1.5L How to Use: 1. When using, first add the water in the fish tank to the appropriate position, and the water should be added above the lowest water level line MIN and below the highest water level line Maximum 2. Plug in the USB or DC5.0V power supply, when the MOTOR switch is pressed to the ON position, the electronic water pump starts to work, and the LED color light at the bottom of the fish tank is on; when it is pressed to the OFF position, the water pump stops working and the color light goes out. When using the water pump, There must be suitable water in the fish tank to use the water pump, otherwise the power of the water pump must not be turned on to avoid damage to the electronic water pump. 3. Bend the LED light to a suitable position. When the LGHT switch is pressed to the ON position, the LED light is on, and when it is pressed to the OFF position, the LED light is off. 4. When replacing the fish tank water, first press the MOTOR switch of the water pump power supply to OFF, and then unplug the USB power plug; then turn the LED light to the pen holder, and then slowly pour the fish tank water from the left corner. After that, add the required water to the appropriate position of the fish tank. 5.When cleaning the fish tank, first press the MOTOR switch of the water pump power supply to OFF, and then unplug the USB power plug; then bend the LED light to the pen, then pour the water out slowly, and unload the water pipe after the water is poured. Next, take out the bottom decorative shell, clean it, then install it, and then add the required water to the appropriate location. 6. The power supply for the fish tank is computer USB or DC5.0V. The power interface is USB mini 5P (V3) 7. Operation instructions between the keys Press SET, select TUE, then press SHIFT, you will see the number flashing, SHIFT is the selection, press UP to adjust the setting, the big meter above is the hour, the bottom is the minute, side The second on the top, press SHIFT a few more times, and you will enter the date setting.