Size:11 x 7 x 7cm Ingenious design: Moisture-proof funnel keeps food fresh and holds most types of food, including flakes, granules or particles Easy to use: Simple operation and installation, manual and automatic. It is battery operated Adjustable feed dispensed: You can adjust the feed lever to regulate the amount of food dispensed, and you can choose to do a single or triple feed each time LCD Display: The large LCD display is easy to read and also indicates programmed run times Product Description Q&A 1. Which type of aquarium is suitable with this dispenser? It can be attached to the aquarium with a cover using the sticker or a square tank with a clip. But considering the humidity, it is not recommended to install it in an outdoor pond. 2. How to control the amount of food? It is fed up to 4 times a day and the bucket of food can make up to two revolutions at a time. The amount of food is controlled by a slider. Before leaving, it is necessary to test the correct position of the cursor according to the type of food. 3. How is the dispenser powered? You need to remove the stand to put in two AA batteries for power supply, the screen will show the battery level after installation. 4 . Is the manual in French? The instructions are detailed in the manual which is in French, German, Spanish, Italian and English. Attentions 1. The item should be installed above water. 2. Do not twist the food container manually. 3. After replacing the batteries, the local standard time must be reset, it is not necessary to restart the power cycles.