Keri Systems PSK-3 Pyramid Series Proximity Key Ring Tag

Compact proximity key ring tag designed for access control systems. The PSK-3 delivers durability and convenience in one of the smallest credentials available, featuring a brass eyelet for strength and permanent date/ID marking. Supports standard sequential encoding and custom Wiegand™ formats including industry-standard 26-bit. Ideal for building entrances and multi-door secured facilities—users appreciate the portability for keychain carry or necklace attachment. Interchangeable with Pyramid Series proximity readers and compatible with most manufacturer systems. Washing machine tough construction backed by lifetime warranty.