... application:Will be widely used for club ,library,Time attendance,Dinner management,Pool managementRFID Reader&Writer Specification Working frequencyISO ... , RS485 , TCP/IP (RJ45) , Weigand26/34,USB,WIFI,GPRS,GPSRead promptBuzzer and Flashing lightsPower supplyAC100-240V/DC +12V ... 4 WattDimension180mm×170mm×40mmWeight2.0KgWorking temperature-30°C~+75°CRFID Reader&Writer pictures RFID reader&writer