LM393 Electret condenser microphone high sensitivity sound detection module ^^ Can be used for Acoustic control light; give sound and light alarm working with Photosensitive sensor ^^ 20CM 10CM 40 Pin Male to Female, 40 Pin Male to Male, 40 Pin Female to Female dupont cable ^^ The cables can be separated to form an assembly containing the number of wires you require for your connection and to support non-standard odd-spaced headers ^^ You will get 5pcs LM393 Sound Detection Module, 280pcs 20CM 10CM breadboard jumper wires.