Feature: 1. High Performance Driver Module: This LED segment digital display module uses a driver module that connects to the digital through 2 pins for stable performance. 2. 4 Bits 7 Segments Display: This LED segment digital display module has 4 Bits 7 segments, each one has a decimal point, and all the points can be controlled individually. 3. Stable Structure: The LED segment digital display module has a very stable structure, excellent performance and long service life to support your long term use. 4. Easy to Use: Our LED segment digital display module can be plug and play, no need for tedious wiring process, easy to connect and use. 5. PCB Board: This LED segment digital display module adopts high process PCB board, the board is very clear and if you use the module in your daily life, you absolutely will like the module. Specification: Item Type: LED Digital Display Module Material: PCB board Use: LED digital display Number of Bits: 4 bits and 7 segments Driver IC: TM1637 Voltage: 5V. Package List: 4 x Digital Display Module4 x Pin Header Note: Match the right model size before use