... ,Pressing, Recording, Light sensor,etc Specifications:Applied for: greeting cards, gift package, promotioanl gifts, etc. Activated: by push, pull-tab ... , LED indicator, batteries, wire harness, switch, more or less for different items Power: 3 x AG10 button cells Packing details ... on the future, with our core business in electronic gifts and toys, ESYS will keep devoting to building our own brand ...