Item Type: LED Digital Display Module_x000D_Material: PCB board_x000D_Use: LED digital display_x000D_Number of Bits: 4 bits and 7 segments_x000D_Driver IC: TM1637_x000D_Voltage: 5V 1High Performance Driver Module: This LED segment digital display module uses a driver module that connects to the digital through 2 pins for stable performance. 24 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. 3Stable Structure: The LED segment digital display module has a very stable structure, excellent performance and long service life to support your long term use. 4Easy to Use: Our LED segment digital display module can be plug and play, no need for tedious wiring process, easy to connect and use. 5PCB 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. 4 x Digital Display Module 4 x Pin Header