Single digit 7-segment + decimal point Vacuum Flourescent Display (VFD) by Futaba. Package : glass test tube 35mm x 10mm diameter. Digit: 8mm tall x 4mm at base (italic) leads: 37mm long, nicely preset in removable base, or left in base for neat PCB mounting. Status: NOS (New Old Stock) colour: blue green Awaiting datasheet, but understood to be 0.6~0.8 V @31mA fillament with a HT of 12~18 Volts (TBC) Great for all those nixie clock projects, as these actually are small and neat and look weird ! RoHS compliant: no