Schlage's proximity credentials offer your facility an easy and convenient access control solution. Proximity technology, which operates on 125 kHz frequency, is easily integrated into existing legacy proximity systems or for a new installation. Proximity Credentials can easily fit into a wallet or may be used as a strapped or clipped ID badge. Offered in several different form factors, Schlage has the Proximity Credentials to fit your needs. The clamshell style card is highly durable and more rigid than the typical credit card making this card ideal for harsh environments. The ISO style card is similar in size and thickness to a credit card and has the ideal surface to print custom artwork, images and photographs for identification. The keyfob style credential can easily be attached to any keyring for convenience. The PVC adhesive patch credential can be adhered to any frequently used surface.