ZKteco Fingerprint readers 870-383-F16 ZK F16 Fingerprint reader with TCP/IP 870-382-ZK9500 ZK USB Fingerprint scanner 870-642-X7 ZK Standalone FP reader with keypad and RFID reader 870-383-F12 ZK Slave fingerprint terminal 870-647 ZK Multi Bio finger & facial recognition system 870-647-MA300-BT ZK MA300 Outdoor biometric fingerprint & RFID card reader 870-383-F18 ZK F18 Fingerprint reader with ID 870-383-F17 ZK F17 Fingerprint reader with TCP/IP