RFID Checkpoint Tag
Uses EM format RFID signal:125Khz (EM4100 or compatible chip)
Non-contact reading, reading distance:1-5cm, you do not need to touch the tag.
Material: ABS Color: White or Black
Diameter: 25mm, 29.3mm, 30mm, 35mm, 40mm, 52mm
With epoxy can be waterproof
Each tag come with a unique ID number
Temperature: -20 to +55 degrees Celsius