Aquarium fish feeder: ABS plastic, capacity: 175 ml , weight: 285 g. Free control of feeding. Suitable for dumplings, flakes, food particles and small food strips. Please use 2 x 1.5V AA alkaline batteries. Do not use rechargeable batteries or carbon batteries. Product description Automatic feeding and regular feeding four times a day. This is useful when no body at home is regularly feeding four times a day ABS plastic, Capacity: 0.175L, Weight: 0.285KG In order to avoid misalignment caused by the machine, please do not rotate the storage box manually. suitable for pellet feed, particle feed, flake feed, small feed belt Please use 2 " AA " 1.5V alkaline batteries Do not use rechargeable or carbon batteries