... brightness 4.Long life 0.56 inch 7segment 3 digit red LED display Specifications: Size: 0.56 inch, other size also available: 0 ... '',0.36'',0.56'',0.8'',1.5'',2.3'',2.5'',3'',4'',5'',,,,,,,,Voltage: 1.8-2.3vWavelength: 46630- ... : elevtor/lift, bank exchange rate display, led clock display, led oil price display for gas station and other different display areas of equipment/machine, smart mater ...