Display: 2.4" Color Touch Screen with Inbuilt Battery, User Capacity; 3,000, Face Capacity: 500, Transaction Capacity: 150,000, Communication: TCP/IP, USB Host, AC Adapter: 12V DC, 1.5A, Operating Temperature: 0°C ~ 45°COperating Humidity: 20% ~ 80%, Access Control Interface: 3rd Party Electric Lock, Door Sensor, Exit Button , Software: ZKBioAccess IVS, 1 Year Warranty