... design Long time duration CE, RoHs, FCC music IC Chip music IC Chip with music playing or recordable function, ideal choice ... push, pull-tab (slide), light, voice, vibration, PIR, etcmusic IC Chip Function: pre-recorded or recordable, with LED flash (optional ... 5 seconds to 270 seconds, even more if requiredComponents: PCB, IC, speaker, microphone, LED indicator, batteries, wire harness, switch, more ...