ITEM NAME:DC 5V mini led traffic light module 5mm red yellow green color led displayME Features: 1>. Small size. 2>. Simple wiring. 3>. Targeted. 4>. Custom installation. Parameters : No. Parameter Value 1 Size 56*21*11mm 2 Color Red,Yellow,green 3 LED 5mm 4 Brightness Ordinary brightness 5 Voltage 5V 6 Input Digital signal output 7 Interface Common cathode, red and yellow green control Individually 8 Operating current Red 13mA;Yellow 13mA;Green 25mA Use manual : . It just support controller to contorl; . Input High or Low level from controller to make LEDs ON or OFF. . It can be controlled by PWM,too. Application: 1>. Analog traffic signal system 2>. Teaching demonstration.Ordinary brightness. Red,Yellow,green. Digital signal output. Analog traffic signal system. Red 13mA;Yellow 13mA;Green 25mA.