Optical Tag Product name: Optical Tag (EAS Security Tag)Model No.: LT-ST004Frequency: 58KHz/8.2MHzDimension: 25mmx25mm Color: Gray/White or CustomizedLock: Mechanic LockPacking: 1,Website:http://www.estar-eassystem.com,000pcs/ctn, 0.02cbm(40x30x17cm), 15kg