High-quality materials - The product is made of high-quality ABS and PVC materials, which are durable, heat-resistant, healthy and pollution-free, so that fish can eat safely Auto Feed—Adjust the slider to adjust the amount of feed, choose the feeding range according to the situation, you can set the feeder to automatically feed once every 8 hours, 12 hours or 24 hours. It can be easily set to manual by pressing the first button Two different fixing methods: You can use the bracket to fix the fish feeder on the tank wall. You can also use the clips to secure it to the lacquer cover Battery Powered: This product requires 2 AA batteries (not included) to use. The battery has a long life and can be used for a long time Wide range of applications: the power container can hold pellets, crisps, strips and knots. The power pack can perfectly feed goldfish, koi and turtles during weekends or holidays