... 28 engineers Support OEM/ODMQ&C: Professional QC system included IQC,PQC,QA,IE QC:45 PERSONPANEL ... SUNPLUS,BROADCOMDepand on customer request4,Warranty Policy on DOOR VIEWER SPARE PARTS 1% STANDARDWARRANTY PERIOD 18MONTHS ... CUSTOMER CHARGE WITHIN THREE YEARSRMA SYSTEM CONTACT OUR SALES FOR GUIDELINE 5,DOOR VIEWER ORDER Information FOB PORTFOB ... MASS ORDER, 10DAYS FOR SAMPLE. Camera Digital Door viewer