... time:6~300s 5.Sound chip used for cards Promotion Light sensor music recording greeting card1.Material:250gsm art paper with film ... , catalog, etc...When you open the card play sounds.Slide switch Module Size: 24x40mmSpeaker size:Dia40mmBattery:2 or 3pcs of L1131 ... requiredComponents: PCB, IC, speaker, microphone, LED indicator, batteries, wire harness, switch, more or less for different items