fingerprint time recorder with external access controller, and built-in back-up battery IN04 is an innovative ... be easily done within several seconds. Features:Color TFT screen with GUI interface for ease of useOptical sensor1 touch a-second ... , T9 input, 9digit user ID, Scheduled-bell, SMSOptional Functions: C1 Controller, ID/Mifare/HID, Photo ID, Printer, 14 digit user ID ...