Pretty Easy to Program: Automatic fish feeder can help you complete automatic feeding 3 times a day, each feeding can be rotated 1-3 times, the feeding time can be set arbitrarily according to your needs, programmable fish feeder with large LCD digital screen is easier to program. At the same time, you can press the manual button to feed immediately with one button and experience the fun of feeding in different ways, smart betta auto fish feeder suitable for busy business travel Moisture-proof Design: Auto aquarium fish feeder adopts a gravity-type moisture-proof cover design. When the fish feeder automatic dispenser rotates to the bottom, the moisture-proof cover opens by gravity and starts to dispense fish feed. Turned over to the top, the moisture-proof cover will automatically close due to gravity, keeping the fish food dry and fresh, and preventing the fish food from getting damp Long working hours: You can see the battery usage on the monitor can last 2-4 months. This is a good option because you can rest assured that your fish won't starve when you leave. it applies to holidays