IDC170 is credit card size (1.7mm) of contactless proximity card and it has very flexible and light enough to be carried in a purse or wallet and it has vertical slot punch and can also accept photo-flap and direct-print adhesive backed ID badge overlays.
IDK50 is very small size of contactless proximity key tag and light enough to be carried (only 4 grams) and it has a hole for attachment to any key ring or chain.

IDC170/IDK50 is pre-programmed at the factory with IDTECK's unique encryption code and it has very flexible data format to meet any customer's requirement and any OEM format up to 64 bit ID is also available. It can be supplied without code and customer can write their unique code by using STAR PGM1000 Programming Devices with Programming software.