fingerprint Access Controller is easy to install. 1.Sensor: ZK Sensor 2.Operating ... supplier of Access Control System. Linux Operatng System Fingerprint Access Controller BTS-F8 is widely used in office. I. Product Introduction1 ... Chinese, English, other Languages16. Standard: Wire Doorbell, Wiegand OUT, Wiegand IN17. Optional: ID/HID/Mifare card, Webserver, USB host, Short message, Workcode ...