General description The Smart Fish Feeder for Aquarium Tank features a large capacity of 450ml, designed to automate the feeding process for your fish. With a simple button press, the feed bin extends and begins dispensing food. The device is equipped with a red light indicator to signal when feeding is in progress and automatically retracts the feed bin once the maximum distance is reached. Technical specifications Capacity: 450ml Material: Plastic Measurement allowed error: +/- 1-3cm Usage Press the button to start feeding; the feed bin will extend and discharge food. The red light indicates that feeding is in progress. Once feeding is complete, the red light will turn off. To pause feeding, press the button again when the feed bin is out. To retract the feed bin back to the food warehouse, double-click the button if needed. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.