Ultra Bright Blue 0.4 Inch 4 Digit 16 Segment Alphanumeric LED Display, Common Cathode, RoHS Compliant for Refrigerator Temperature Indicator Product Name 0.4 Inch 4 Digit 16 Segment Alphanumeric LED Display, Ultra Bright White Digital Temperature Other Optional Part NO. LB40399IY1B Can print your part number Digit number 4 -digit 2digits,3digits, 4digits,5digits,6 digits Color Ultra Bright Green White, blue,pure green, yellow-green, orange,etc. Polarity Common Anode Common