DatasheetsReadersHIDHID® ProxThinLine® II ReadersOn this pageThinLine® II ReadersOverview The ThinLine II from HID is a low profile card reader. Specification 125 kHz frequency 5-16 VDC power requirement 4.7" x 3.0" x 0.68" Read Range: up to 5.5" Available in: Gray, Black, and White