Abstract: A new seal comprising a base formed into a flat rectangular box with a raised seal body in the center of its sealed wall; a cover in accordance with a first opening wall of said base to be combined with said base together as a whole; a U-shaped resilient shackle having a first, second hook at two reversely bent end portions to thread through an aperture of said base and engage a first, second shoulder of said seal body and a chip embedded in a suitable place of said base to send out the radio frequency energy and receive the identification code.

Abstract: This invention provides a simply constructed sealed button (1) having an elastic spring (2) defining a pair of end portions (4) with respective hook members (6, 7) formed on the opposing end portions (4). A main body housing (5) defining an internal chamber includes a T-shaped conduit mounted within the housing chamber for insert of the hook members (6, 7). The hook members (6, 7) are hooked to each other at an intersecting portion of intersecting through passages of the T-shaped closed conduit. A transparent cover (8) is mounted to the sidewall of the main body housing (5) to provide a sealed button.