1. Automatic fish feeder - It can stably and quantitatively feed fish, preventing fish from not being fed in time by the owner. With scientific timed and quantitative feeding, it ushers in a practical era of fish - keeping. 2. Adjustable feeding holes - By using the feeding speed adjustment paddle, the feeding amount can be adjusted at will. 3. Easy installation - There are 3 installation methods: suction - cup installation, strap installation, and hanging installation. It is simple to install and convenient to use. 4. Transparent design - The storage box is made of high - quality materials with a transparent design. The inside of the box is visible, and food can be quickly replenished. 5. Premium version - Made of high - quality plastic, it is sturdy and durable. 6. Dimensions: 16x8cm