Feature: 1. Clear Display: Equipped with LED for 4 digit display, the 0.36in display module ensures a clear viewing on data. 2. Digital Tubes: 7 segment enables a wide numeric range, and each bit has a radix point for convenient calculating. 3. Practical Use: Allows for wide application on a variety of machine and equipment for smart control and operation. 4. Good Material: Processed with premium PCB with accurate wiring and TM1637 drive chip, works with good stability. 5. Easy to Install: The pin header can connect to digital I O, so the the installation is very easy with small size. Specification: Item Type: Digital Tube Display Module Material: PCB Board Application: LED Digital Display Number of Digits: 4 digits and 7 segments. Driver IC: TM1637 Voltage: 5V. Package List: 4 x Digital Tube Display Module4 x Pin Header Note: Match the appropriate model and size before use.