... Pull-tab switch,Pressing, Recording, Light sensor,etc Specifications:Applied for: greeting cards, gift package, promotioanl gifts, etc. Activated: ... recordable, with LED flash (optional) Messages: voice, music, and sound, customized sounds are available Recording duration: 5 seconds to ... 3 x AG10 button cells Packing details: 1 piece / PVC bag Inner packing: 100 pieces / box Outer packing: 1000 pieces ...