The AC900 features one-to-many (1: N) identification and one-to-one (1:1) verification. It records a maximum of 10 fingerprints per user, rotating between fingerprint placements and also has a storage capacity of 100,000 transactions. The AC900 provides easy enrolment and fast clocking systems. It also has an all-in-one reader and needs no external controller. The terminal supports RS232, RS485, Ethernet, and Wiegand 26-bit communication interface and features easy-to-use management software and automatic alarm activation, which is activated from the triggering of events such as break-ins, door-ajar, and illegal dismantling of the terminal’s reader.