Specification Brand : AYNEFY BulletPoint1 : TM1637 DRIVER CONTROLLER: Connection module is 2 pin to digital I O, adopt TM1637 controller, the voltage is 5V, possess stable display BulletPoint2 : STABLE AND : 6 Digit digital tube come with stable structure, excellent performance and long service life Air Quality Monitor. BulletPoint3 : ACCURATE WIRING PCB BOARDS: 6 Digit tube is made of good quality PCB boards, possess accurate wiring and clear board BulletPoint4 : QUALITY ASSURANCE: If you encounter any difficulties when purchasing and using, please us in time, we will deal with your problems in time. BulletPoint5 : FAST WIRING AND USE: LED segment display module is plug and play, no need for cumbersome wiring process, easy and fast to use . ItemName : Electricians Electrics Electronic Components, Display Plug and Play for DIY 6 Digit Tube, 0.36in LED Segment Electricians Electrics ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 3 centimeters ItemTypeKeyword : led-segment-displays Manufacturer : AYNEFY ModelNumber : AYNEFYinzk8vmtyf PartNumber : AYNEFYinzk8vmtyf ProductDescription : Specification: Item Type: 6 Digit Tube Material: PCB board Application: LED digital display Digits: 6 Digit 7 segment decimalism Use Library: TM1637.h Connection Module: 2 Pins connect to digital I O Controller IC: 74HC595 Voltage: 5V Screen Size: Approx. 46 x 14mm / 1.81 x 0.55in Color: Red