The HID-920PNN is a Multi Class Reader from HID. That is SE RP40 Wall Switch Reader and comes with Standard Prox, Wiegand and Black features. The multiCLASS SE RP40 is part of HID Global's iCLASS SE platform for adaptable, interoperable access control. Designed for multi-factor authentication door applications requiring standard wall switch mounting, multiCLASS SE RP40 supports a broad array of 13.56 MHz high frewuency and 125 kHZ low frequency credential technologies and a variety of form factors, including cards, fobs and mobile devices. Configurable to support HID Mobile Access. With a focus on sustainability, iCLASS SE platform readers include intelligent power management that reduces power consumption by as much as 59%. Selected models also have Environmental Product Declaration certification and Green Circle certification, which contributes toward LEED building credits.