... Driver board,power supplyHousing material:304 stainless steel or With Cold-rolled steel plate.Drive mode:DC electronic ... Interface:one RS232 interfacetwo Card reader signals (Passive)one Fire Alarm interfaceprotection property :IP42,for indoor.Working temperature00C-600CHumidity: ... access control.5.Individual installation interface,easy to integrated with Magnetic card,Barcode card,ID card,IC card etc ...