RFID wristband: 1.Oval dial, Waterproof 2.inside diameter--74mm; band width-16mm 3.Color: blue, red, ... 1k Byte Memory 1. Waterproof, dampproof., Quakeproof, high temperature resist 2.Ring type wrist band, flexible, convenientRFID Silicon wristband flexile and steady ... Wristband1) LF (125KHz): EM4100,EM4200,T5577,Hitag 1,Hitag 2,Hitag S, etc.2) HF (13.56MHz): Mifare1 S50,Mifare1 S70,Mifare ...