Smartbins can reduce the high churn rate of subx-scription services and help people to continuously take their vitamins through proper medication guidance. Through the five-step levelling that utilizes IR sensors, the residual amount of the product can be detected. If the residual amount is below 20%, the delivery date will be set to refill the product before it is entirely consumed. Main features : Vitamin tracking, Automatic order and payment, Medication guidance