... the different service providing in Water Park, Cruise, Swimming Pool, Sauna, Spa Hotel and so forth.RFID Silicone ... 45mm (Child Size)CircumferenceAdult / ChildWorking Frequency125 KHz / 13.56 MHz /UHFReading RangeDepending on the reader designMaterialSilicone, Plastic, PVCOperating ... ATA5577, HITAG 1, HITAG 2, HITAG S256, HITAG S204813.56 MHzMIFARE S50 (1K), MIFARE S70 (4K), MIFARE Ultralight, MIFARE ...