Ultra Bright Purple LED Square Dot Matrix Display for Elevators Dot Size: 3 × 3 mm Emitter Color: Purple Surface Color: Red Pin Length: 10.28 mm Polarity: Row Cathode Column Anode High Luminous Intensity High Efficiency Low Power Consumption Extremely Low Operating Current Uniform Luminance Across Segments Product Detail Code:Super Bright Red -R Parameter Symbol Condition Min Typ Max Unit Forward Voltage Vf If=10mA 1.8 2.2 V Reverse Voltage Vr Ir=10uA 5 V Luminous Intensty Iv