Kev siv tus cwj mem conductive los luam tus kav hlau txais xov es tsis txhob siv txoj kev etching ib txwm siv los ua tus kav hlau txais xov hauv hluav taws xob tag txo cov nqi tsim khoom ntawm RFID electronic tag.: IC 13.56MHz, ID 125KHz Sensing distance: 0~5cm Service life: can be repeatedly erased 100,000 times Pattern: ntau tshaj 130 pattern choices, customizable patterns Whether with glue: double-sided tape (can also be sandwiched between mobile phone and mobile phone case) Khoom siv: plastic PVC + anti-interference material Packing: PP bag Specifications: diameter 38~42mm, thickness 0.70~1mm, can be customized