Features: 1.Multi-specification feed pot can selected, large feed pot suitable for feeding more times and more quantity, avoid frequent feeding, small feed pot for less fish tanks, avoid feed hoarding, damp and mildew. 2.Fixed clamp fixation, suitable for open fish tanks, installed on the glass wall of fish tanks, suitable for fish tanks without cover. 3.Attach one side of the hook and loop to the fish tanks lid and the other side to the bottom of the feeder, stick the two sides together. 4.Scientific feeding, timing and quantitative, open the era of convenient fish breeding. 5.Adjustable feeding port, easy to control, more convenient to adjust the amount of food. Specification: Condition: 100 percent Brand New Item Type: Aquarium Smart Feeder Material: Plastic Color: As Picture Shown Battery Model: 2 x AA Battery(Not Included) Feed Pot Capacity: Large Feed Pot: 210ML Small Feed Pot: 80ml Weight: Approx. 333g PackageList: 1 x Aquarium Smart Feeder(Contain One Feed Pot)1 x Feed Pot2 x Screw1 x Hook and Loop1 x Feeder Fixator Note When using hook and loop, need to wipe the surface clean and then affix it, and then install the feeder.