Waterproof Long range RFID Bracelet: 1.Free samples 2.Waterproof 3 ... TK4100, EM4102, EM4200, T5577 and so on.HF(13.56 MHz):FM11RF08, Mifare1 S50, Mifare1 S70,Mifare Ultralight,1-CODE2, ... pool,refrigeration storage,field work and most environment, ever long time soaked in the water or some other terrible situations ... packing for reference:5.More pictures: High quality waterproof Long range RFID Bracelet