The HID-900PNN is a Multi Class Reader from HID. That is a SE RP10 Mini Mullion Reader and comes with Standard Prox, Wiegand and Black features. The multiCLASS SE RP10 is part of HID Global's iCLASS SE platform for adaptable, interoperable access control. Designed for door applications requiring a small footprint card reader, multiCLASS SE RP10 supports a broad array of high frequency 13.56 MHz and low frequency 125kHz 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.