Advanced Fish Feeder - It's time to take responsibility for your fish! We offer a safe and efficient auto fish feeder that breaks the curse of traditional feeders that lead to dead fish. The push-pull feeding design ensures that the feeding port is always exposed to air, thus making the phenomenon of moist fish food a thing of the past. Ensure that your fish food storage remains dry and free from pests. Precision quantitative feeding - The replaceable Quantitative Clip allows for accurate control with every feeding. With three feeding portion options, every aquarium can receive truly scientific feeding! Even when on vacation or a business trip, you need not worry about coming home to find excess fish food on the water surface. High residual fish food in the aquarium can have a serious impact on the ecosystem and even cause your fish to become bloated and die. Intelligent Feeding System - Break free from traditional constraints, increase flexibility, and satisfy every feeding habit! Customize your feeding plan based on aquarium size, fish quantity, and body size. We understand that some fish require feeding every other day, which is why we also offer timed feeding on a per-day basis. You can schedule the system to feed your fish every 48 or 72 hours. Go ahead and DIY your feeding plan with ease. Multiple Placement Options - Whether you have a fish tank with lid or an open one, installation is a breeze. The suction cups firmly attach to the cover to prevent shaking. The adjustable clip is perfect for open aquariums, allowing you to rotate the feeder 360 without being affected by the environment in which the tank is placed. Multiple Power Options - Our fish feeder automatic dispenser supports AAA batteries, you don't have to worry about power outages when you're away from home. The fish feeder automatic dispenser can last up to 2 -4months in battery mode. If you have any questions or concerns, please feel free to contact us. We welcome your suggestions on our product.