... USB communication. Plug and play;4.Built-in 1300mAh Lithium ion battery support 4-hour continuous operation if power failure;5 ... /34), go out button,gate magnetism switch output (For IIIM mode with access control function )Output PortBuilt-in ... degree free rotationUpdate intelligentlyYesFingerprint identification model1:NOptional function Backup battery, simple access control,Proximity Card(ID/IC card) ...