... .IP54 available Features:.Integrated international popular UPEK-TCS1 silicon sensor with high performance.Supporting contact-less IC card according ... 50°CHumidity20%-80%Audio formatMp3,WAV, VideoCommunicationRS232, Ethernet, and USB HOST /Client 1.1Battery4000 mAh Lithium-ion batteryPower/CurrentAC110- ... WiFi (Optional)Extendable devicesID card, Mifare card,UPEK-TCS1 sensor,USB printer (customization)