Feature:1. ACCURATE WIRING PCB BOARDS: 6 Digit tube is made of good quality PCB boards, possess accurate wiring and clear board paths2. FAST WIRING AND USE: LED segment display module is plug and play, no need for cumbersome wiring process, easy and fast to use3. 2 PIN CONNECTION: This is a 6 digit 7 segment display module, the display screen show each decimal point, the module is connected to digital I O via 2 pins4. TM1637 DRIVER CONTROLLER: Connection module is 2 pin to digital I O, adopt TM1637 controller, the voltage is 5V, possess stable display5. STABLE AND DURABLE: 6 Digit digital tube come with stable structure, excellent performance and long service lifeSpecification:Item Type: 6 Digit TubeMaterial: PCB boardApplication: LED digital displayDigits: 6 Digit 7 segment decimalismUse Library: TM1637.hConnection Module: 2 Pins connect to digital I OController IC: 74HC595Voltage: 5VScreen Size: Approx. 46 x 14mm / 1.81 x 0.55inColor: Red.Package List:1 x 6 Digit Tube1 x Pin Header