Usage Tips:Feature 1Quality organic silicon material, non-toxic, non-cracked, long service life and non-irritating. 2Close-loop wristband, which has bright color, and comfortable to wear. 3Waterproof, moisture-proof, shock-proof and high temperature resistant. 4Suitable for swimming pools, gyms, cooling room , access control, etc., fits for humid environments. 5125KHz working frequency, this RFID wristband has stable and professional performance.SpecificationCondition: Item Type: RFID Wristband Material: SiliconeOptional Color: Blue, Red, Yellow, BlackChip Type: TK4100 (Expandable EM4100)Working Frequency: 125KHzCapacity: 64-bitTested Reading Approx. 0-2.5cm, depending on the power provided by the readerMulti-Detection: YesDiameter: Approx. 65mm/2.6inRead and Write: Read OnlyEnvironmental Specifications: Waterproof, DustproofReading Times: 100,000 TimesWaterproof Rating: IP68Application: Swimming pool, gymnasium, cooling room, access control, event ticketing, suitable for wet environment .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List10 x RFID Wristband