Card-tech 5pcs Silica Gel Rfid Wristband/Silicon Wirstband Tag Bracelet for Access Control Alien H3 Long Range Rfid Long range Passive RFID wristbands and bracelets in a variety of colour and styles for long range RFID reader. 8 holes and 3 buttons, length can be arbitrary regulation Waterproof,Widely used in extremely humid environments field operations, and even a long soak in the water and other adverse circumstances, can be used normally The RFID Silicon wirstband tag is widely used in swimming pool, and park. Furthermore, they are wide Frequency: 860-960MHZ(UHF).Reading & Writing distance with reader:1m-6M (UHF)