Without Housing DIY Music Spectrum LED Flash Kit + DIY Amplifier Speaker Kit<br><br><br>LED Flash Kit Feature:<br>Operating voltage: 5V USB power supplySignal access mode: 3.5 audio line input audio signalInstallation: DIY welding assemblyDimensions: 108 x 70 x 16mm (Length x high x thickness)Weight:  67g (excluding housing)Type: Without housing DIY kitPCB color: White<br>DIY Mini Speaker Kit Feature:<br>Installation: Circuit board assembly weldingSpeaker power: 3W per channelCase Size: 70 x 70 x 76mm (W \/ H \/ D)Speaker diameter: 50mmFunction: With LED music spectrum displayWeight: 410g<br>Package included:<br>1 x Electronic DIY LED Flash Kit1 x DIY Mini Speaker Kit<br><br><br><br>Reference Installation Pictures: