1. Automatic feeding function: This old fisherman's automatic feeder is a magic device designed for fish, which can automatically feed at a certain time to provide accurate food amounts for your arowana, turtle, etc. 2. Accurate metering feeding: The feeder uses an advanced metering system to accurately deliver the right amount of fish food. You can set different dosages according to the fish's needs and eating habits to ensure that the fish are getting the proper nutrition. 3. Regular feeding function: The feeder has a regular feeding function, you can set the daily feeding time and frequency according to the eating habits of fish. No need to manually feed, save time and effort, so that you worry about taking care of the fish's diet. 4. Large capacity design: the feeder has a large capacity food storage room, which can store more fish food at one time, and does not need to add food frequently. This ensures that the fish will have a good supply of food when you leave the house. 5. Durable and reliable: The old fisherman's automatic feeder is made of high-quality materials, strong and durable structure, and can work stably for a long time. It also has a waterproof design and can be usaged safely in a fish tank without fear of damage or food moisture. Product parameters: Material: ABS Weight: 400g Color: Red Size: 11.6*11.6*5.5cm/4.57*4.57*2.17inch Storage capacity: 100ml(6.3ml/ cell) Battery: Rechargeable lithium battery Battery capacity: 70mAh Rated voltage: 5v Endurance: Feeding once a day: 90 days; Feeding once every four days: 180 days Note: The machine cannot be washed