1. Easy to install: When in use, the machine can be placed upright or inlaid and fixed on the edge of the fish tank. It has a wide range of uses and is easy to operate. 2. Adjustable: It can be applied to the feeding of flakes and particles, and the amount of each feeding can be adjusted and controlled according to actual needs. 3. High-quality materials: The automatic fish tank feeder is made of high-quality plastic material, which is environmentally friendly, sturdy and durable. 4. Automatic fish feeder for travel: Our automatic feeder can help you feed fish in the aquarium when you are out working or traveling, which is very practical. 5. Battery-powered: Powered by 2 AAA batteries (not included), low power consumption, and the batteries can be replaced by yourself, which is very convenient.