125Khz T5577 T5557 T5567 Rewritable Leather RFID Key Ring Tag Keychains RFID Keyfob for Copy Duplicate Door Access ID Card (2pcs) by XCRFID sold2026 STEP 2) Bottom Light Sensor

STEP 2) Bottom Light Sensor Test Intensity of UV Exposure: When exposed to confirmed UVC wavelengths

light metals

Keadic 150Pcs M3 Metric Zinc Plated Carbon Steel Rivet Nut Flat Head Threaded Insert Nutsert Kit (M3)

CGTime USB 2

125Khz T5577 T5557 T5567 Rewritable Leather RFID Key Ring Tag Keychains RFID Keyfob for Copy Duplicate Door Access ID Card (2pcs) by XCRFID sold2026 STEP 2) Bottom Light Sensor125Khz T5577 T5557 T5567 Rewritable Leather RFID Key Ring Tag Keychains RFID Keyfob for Copy Duplicate Door Access ID Card (2pcs) by XCRFID Pls kindly note: The T5577 rewritable leather tag are blank , no data ! When u use it , pls write data at first! Features: The tag is top grade leather customation made. The tag is writable , If your access card is TK4100 em4100 only read tags. You can use the device copier the data to the T5577 Tag. Chip: T5577