4 Digits, 7 Segment LED Display Module, 74HC595 – ElectroDragon
7-Segment LED - Parallax
7-Segment Display - LED (Blue) - COM-09191 - SparkFun Electronics
2x LED 7-segment display, common cathode
Amazon.com: LED 7 Segment Display, MODBUS-RTU Display Module, 4 Digits Display with RS485 Serial Port for PLC Communication (5-36V) : Industrial & Scientific
Adafruit 1.2 4-Digit 7-Segment Display w/I2C Backpack - Yellow : ID 1269 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: Treedix 0.56" 3-Digit 7-Segment Display Common Cathode 3-Digit LED Display Digital Tube Compatible with Arduino (Blue, 5pcs) : Industrial & Scientific
Adafruit 1.2" 4-Digit 7-Segment Display w/I2C Backpack - Red
Adafruit 0.56 4-Digit 7-Segment Display w/ FeatherWing - White : ID 3109 : $10.95 : Adafruit Industries, Unique & fun DIY electronics and kits