Proximity key fob in 125 KHz. ISO 10373, ISO 60529. 64-bit read-only memory. IP68. UNIQUE™ proximity chip. IP67. PC encapsulation. Optionally printable on one side. Color options xxx = Black-001 / Red-002 / Blue-003 / Yellow-004 / Green-005 / Gray-006 / White-007 / Orange-008. Minimum order: 2,400 units (in packages of 2,400 units).