Precise Amount of Food - Compared with ordinary fish feeders with only one compartment, the updated fish feeder has 16 grids in total, which can provide 15 individual meals, which is convenient for storing a variety of food . Each grid holds up to 2g, ensuring high food accuracy. Noticed : Do not store fish food in the outlet compartment. 2 Installation Methods - The fish feeder provides two different installation methods to suit different types of aquariums. You can either install it on the aquarium with an adjustable clamp or stick it on the aquarium lid with a suction cup. Both methods are easy to use, so you can choose the one that suits your needs. Moisture Resistant Design - Unlike other automatic fish feeders which always open opened, making the food inside moist or easily jammed, the automatic food dispenser is completely sealed against moisture, the opening of which will close automatically after each meal. This thoughtful design helps keep fish food dry. accommodates most types of food, such as particle food, pellets, powders and small strips. Note: It is not designed for shrimp and flakes. Custom Feeding Time - Thanks to the smart LCD display and timer function, the automatic fish feeder can be programmed up to 3 meals per day, with a maximum of 3 grills per meal. You can also set it to feed at any time of the day and have it delivered daily, every other day, every three days or every four days. If you want to experience the fun of feeding your pet, you can also opt for manual feeding. USB Rechargeable - The rechargeable timer feeder has a built-in 700mAh battery, which can be completely discharged. recharged in 3 hours and last up to 1-2 months. (Type-C charging cable included). There is no need to buy batteries repeatedly, saving energy and money. Note: The data is all measured manually, please allow 1 error at 3cm, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.