We have a large number of implementations in major companies and educational institutions. Sold in sets of 5, 10, 30, 50, 100, 200, 300, 500, and 1,000. It can be used for a variety of purposes, such as employee ID, student ID, point card, attendance management system, entrance and exit management system, security door locks, etc. Product Specifications: Model Number: Lite-S RC-S966 FeliCa Chip; Dimensions: 3.3 x 2.1 x 0.03 inches (85.5 x 54 x 0.82 mm); Material: Plastic; Weight: Approx. 0.2 oz (5 g); Communication: FeliCa Lite-S Chip Manufacturer: Sony Corporation, Communication Distance: 2.0 inches (5 inches (5 cm). Chip ID. 16-digit system Codes: Unset Service Code: Unset NDEF Specifications: Not formatted and can also be used for a variety of purposes such as employee ID, student ID, point card, attendance management system, entrance and exit management system, security door locks, etc.