Specifications:                                Product: Smart Automatic Fish Feeder               Size: 15x7.5x11cm                Capacity: 200ml                Fish tank thickness: ≤25mm                Powered: 2xAA battery (not included)                Timing: set 4 times                                                Type 1: Automatic Feeder               200ML large capacity food container;               12 hours / 24 hours two groups mode               Simple installation, quiet and energy saving;                                               Type 2: Smart Feeder               200ML large capacity food container;               Increase the LCD screen;               Intelligent control, electronic timing;               4 groups of time modes, set as desired;               Adjust the number of rotations to control the amount of food                               Type 3:       Smart Rechargeable Feeder                700 mAh lithium battery               200ML large capacity food container;               Increase the LCD screen;               Intelligent control, electronic timing;               4 groups of time modes, set as desired;               Adjust the number of rotations to control the amount of food                               Notes:               1-2cm error might exist due to manual measurements, please kindly understand. The colors deviation might differ due to different monitor settings.