Features:
Small and exquisite appearance, easy to carry, no external power supply required.
Waterproof, moistureproof, shockproof, anticorrosion, high temperature resistant, can be read and rewritten, practical and durable.
Wide range of applications, suitable for access control, public transportation, parking lot, identity authentication, attendance management, tickets, card payment, product identification, parking lot.
Non-toxic, environmentally friendly, harmless to the human body, one-card payment, product identification, social security management, municipal and supporting service payment, hotel door locks and many other aspects.

Specification:
Material: plastic
Size: 0.98in/2.5cm in diameter
Color: transparent
Applicable to: Brand new key proximity card for access control system

Package Includes: 1pc

Notes:
Please consider the small error caused by manual measurement.
Different monitors may display slightly different colors.