... inside open:The light sensor voice module can Record messages 10, 20 or 30 seconds. It uses for greeting card, magazine, toy ... by push,pull-tab (slide), light, voice, vibration, PIR, etcFunction: pre-recorded or recordable, with LED flash (optional)Messages: voice, ... , even more if requiredComponents: PCB, IC, speaker,microphone, LED indicator,batteries,wire harness, switch, more or less for different ...