Ultra Bright Blue 0.40" 3-Digit 7-Segment LED Display, Common Cathode for Temperature Indicator Ultra Bright Red display specifically designed for temperature indicators and measurement applications. Product Specifications Character Height: 0.4" (10.16mm) Outer Dimensions: 30.1 * 16 * 7mm Polarity: Common Cathode Red Epoxy Black Surface Ultra Bright Red Emission Available Colors: Red, Blue, Green, White, Amber, Orange, Yellow Technical Parameters by Color Code Yellow Green