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LED light structure temperature control design
FM radio function
dry and power off protection
Alarm mode: vibration alarm/SOS alarm/sound control alarm/overspeed alarm
One-piece design
100 PCS Scanner Guard Card RFID Blocking Card, Built-in Patented ID Protection KZ LED light structure temperature control1. Designed to block 13. 56MHz high frequency smart card radio signals, preventing unauthorized scanning and theft of card information. 2. Simply place the smart card and the RFID blocking card together to effectively prevent information leakage. 3. Applications: Bank cards, ID cards, transportation cards, membership cards, campus cards, medical insurance cards and other RFID fields 4. Support OEM and ODM Customization Service, and all kinds of
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