Feature: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: 130g (including housing) 67g (excluding housing)Type: With housing DIY kit/ Without housing DIY kit (Need to select， two types are different prices.)PCB color: WhitePackage included:1 x Electronic DIY LED Flash Kit