Dimensiondia45mm,50mm,55mm,60mm,74mmclose wristband 240*31*19mm adjustable MaterialSilicone + Copper/aluminum for antenna colorAny color can be customized logosilkcreen print or laser ID numbers MOQ500pcs by your PMS colorCertificateYes Form & shapeISO CR-80 card,silicon band,expoxy tag,jelly tag etc. Customized available125KHZ Chips EM4100,TK4100,T5577,EM4305,EM4200,EM4450,EM4550 13.56MHZ Chips FM1108,NTAG203,M1S50,etc.915MHZ chipsAlien h3/impinj g2/gen2ProtocolISO 18000-2,ISO11784/85,ISO14443A,ISO1593,ISO1892,ISO1800-6CMaximum usage count100,000times FeaturesWaterproof,shockproof,dampproof,heat-resistant ApplicationsAccess Control,party,events,activities,club,park on shelf life5 years Weight15g/piece