Features: RFID smart card reader, faster and more accurate, stable and sensitive reading. High quality wear-resistant keypad, comfortable touch, and typeface will never wear easily. Sound and light double indication of working state, more practical and reliable. With PS/2 keyboard interface, USB interface for HID keyboard emulation, RS-232 serial output, RS-485 serial output. 2.4GHz/Bluetooth wireless transmission, dual USB interfaces, AUX audio interface and other interfaces (supporting client customization protocol or interface). Capable of providing the function of operating Longsheng software. Specification: Condition: Brand New Material: ABS Color: Shown as picture Card Reading Distance: ≥5cm Power Supply: DC 5V ± 5% ≤ 500mA Working Temperature: 0°C ~ +45°C Working Humidity: 10% ~ 90%RH Package List: 1 * Access Control Reader 1、RFID smart card reader, faster and more accurate, stable and sensitive reading. 2、High quality wear-resistant keypad, comfortable touch, and typeface will never wear easily. 3、Sound and light double indication of working state, more practical and reliable. 4、With PS/2 keyboard interface, USB interface for HID keyboard emulation, RS-232 serial output, RS-485 serial output. 5、2.4GHz/Bluetooth wireless transmission, dual USB interfaces, AUX audio interface and other interfaces (supporting client customization protocol or interface).