RFID watch(low price) 1. Real electronic watch 2. With chip inside (like mifare 1k) NOTE:QA for two years Silicone Wristband tag is ... used in water or high temperature environment.Furthermore, silicone wristband tag with rfid tech is allowed to integrate the different service ... , I.CODE SLI, I.CODE SLI-S, Tag-it Plus(2048), Tag-it Pro(256), Tag-it Standard(256), LEGIC MIM256, LEGIC MIM1024 ...