Ciecoo Waterproof Fingerprint Reader with RS485 Communication Interface Works with Biometric Access Controllers FR1200 Fingerprint Reader Exit Reader for F18, C3 Series Control Panel,inBio SeriesCiecoo Waterproof Fingerprint Reader with RS485 Communication Interface Works with Biometric Access Controllers FR1200 Fingerprint Reader Exit Reader for F18, C3 Series Control Panel,inBio Series