... make operational adjustment ² Big or small, long or short of security alarm can be adjusted² Designed for upscale clothing shop, supermarket, etc ... EAS accessory, such as RF/EM/AM Reusable hard tags, alarm tag, Disposable soft label, magnetic bar, lanyard, bottle tag, ... ,rf antenna,supermarket door, supermarket anti-theft alarm,eas rf antenna,rf security system aesthetic acrylic 8.2MHZ eas rf system ...