Led Traffic Light Module 5v Digital Signal Output Light Emitting Module Cube With its durable construction and

With its durable construction and reliable performance

easy to carry and use

1 x  Shell Buzzer

You can conveniently let the light auto on/off

Led Traffic Light Module 5v Digital Signal Output Light Emitting Module Cube With its durable construction andFeatures Of Led Traffic Light Module 5V Traffic Light Module Digital Signal Output Red + green + yellow: Independent interface: The light emitting module controls the red, yellow, and green lights separately, a total of four independent interfaces. Fast response: The light emitting module can respond super fast, with strong anti interference ability and high cost performance. Good performance: The light emitting module has ultra low energy