... light changesback side folded:inside open:The light sensor voice module can Record messages 10, 20 or 30 seconds ... package, etc.Activated: by push, pull-tab (slide), light, voice, vibration, PIR, etcFunction: pre-recorded or recordable, with LED ... : voice, music, and sound, customized sounds are availableRecording duration: 6seconds to 30 seconds, even more if requiredComponents: PCB, IC, speaker, ...