A350 series is the new generation fingerprint and RFID time attendance terminals based on the Linux platform and supports cloud applications. A350 series houses a 3.5-inches color LCD and touchable keypad along with a touch optical fingerprint sensor (A350). The full upgrade can let A350 series operate on battery power and can be used for portable time attendance tracking needs. The webserver function is made easy to configure the device. The optional WiFi, Bluetooth and 4G function ensure flexible application of the device.