General description The 50Pcs 125 Khz Proximity ID Card RFID Keyfob is designed for efficient access control in various environments. Made from high-quality waterproof ABS material, these keyfobs are durable and resistant to shock and corrosion. Each keyfob is compact, measuring 3.3x2.9x0.6 cm, making them easy to carry and use. Technical specifications Chip Type: TK4100 Working Frequency: 125 Khz Dimensions: 29x33x6 mm Material: ABS Colors Available: Blue, Red Reading Distance: 0-10 cm Compatibility and accessories Compatible with standard EM ID access devices Each tag comes with a portable key ring for easy attachment to keys or other items Usage The RFID key fob is suitable for a variety of applications, including: Access control systems Hotel locks Employee attendance School campus visits Identity recognition Security systems Parking lot access Attendance systems Other information