DFR0646 8-Digital LED Segment Display Modules DFRobot DFR0646 8-Digital LED Segment Display Modules feature a 16-level adjustable brightness, standard IIC port, and a small 117mm x 22mm package size. The Display Modules are offered in either red or green, with an 8 segment x 8 digit display mode. The DFR0646 Display Modules provide 4 different slave addresses, efficiently avoiding conflicts. Additionally, the DFR0646 Display Modules have a 5V operating voltage, <,130mA operating current, and an operating temperature range of -40ºC ~ +85ºC.