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