Auto & Manual Power: Auto power 2 different time modes, 12h/24h. 1 feed with each feed. Manual Feeding: Press the manual button to control and test the feeding of the fish you encounter. Fish won’t be hungry anymore. Moisture and Health: Keep your fish food dry to avoid dampness and mold. Multiple gears for different feed sizes that never jam. Keep your fish healthier. Enjoy your good times: Take care of your fish automatically during weekends and holidays. Feeder capacity: 80ml. Powered by 2 AA batteries (not included). A wide range of options: suitable for a variety of fish foods such as pellets, flakes and powders. Ideal for feeding goldfish and turtles. Two installation methods: First method: fix the support of the feeder on the glass of the tank. Second method: 1. Remove feeder support 2. Attach a flannel to the bottom of the feeder and tank cover 3. Size: about 3.94’’*4.33’’*2.95’’(60ML) Note: Please allow for slight size variations due to manual measurement. Colors may vary