RFID cards are a convenient and durable watch for wear on the wrist above the smart card radio frequency shaped varieties. Ultrasonic packaged chip and coil, has a good waterproof and earthquake-resistant advantages. And can be reused, especially for the park and swimming pool use of the environment. It may also be used for access control, club members and staff management to the other. 
 Key indicators: 
 Environmental protection silicone material 
 International protection agreements: IP67, IP68. 
 Ultrasonic welding, waterproof performance. 
 Temperature: -25 to +70 ° C 
 Optional Chip: Mifare chips (in line with ISO14443A), I CODE SLI (in line with ISO15693, ISO 18000-3), ID chip 125kHz EM4102/4100