50 PCS Writable 125KHz RFID Key Fob Proximity ID Card Token Tag

50 PCS Writable 125KHz RFID Key Fob Proximity ID Card Token Tag Description

Note: You cannot add them to RFID locks directly. You must write data into them by a 125kHz RFID card writer before use. They are blank tags, no data inside.
Sensing Distance: 2.5 to 10 cm (1 to 4 inch); Data Storage Life: 10 Years.Writable & Rewritable
Frequency: 125 KHz
Chip type: T5577
Type: Read and rewrite key tags

Waterproof: Water
Colour: blue
Material: ABS
Size: about 27.5 x 35 x 4mm

Package Contents:
250 x Writable 125kHz RFID Key Fob

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.