Are you still annoyed by the fact that the items around you have expired without knowing it? This is an effective artifact for recording item expiration reminders, so you won't miss the best time to use or eat, reducing unnecessary waste. Features: 1. The expiration date can be automatically calculated through the expiration date and shelf life of the product; 2. The date of early reminder can be set as needed to reduce unnecessary expired waste; 3, in addition to this, record the expiration reminder and health knowledge for learning.