<br>Automatic feeding 1 to 4 times daily for healthy fish，Energy saver，powered by 2 AA batteries（not included）you can feed 2 times daily up to 1 year. <br>After programming Feeding Time,please press ‘MODE’button sequentially to check the Feeding Time.(The LCD will show the Feeding Time and Dispensing Times you that you set respectively) <br>Warning: Please do not twist the food container by hands <br>Please feel free to contact us if you have any question. <br>Our delivery time usually earlier than Amazon estimated delivery time.