Dear sirs,We are a Trading Company located in Middle east, our main business is security and surveillance items. we decide to import good technology of B/W and Color video door phones in S.K.D parts (modules). so we looking for company can provide us new design and good quality parts with features as below :1- good video quality (b&w CRT 420 TVL) and low current.2- fine sound quality.3- optional intercom call (in same apartment).4- selectable chime control.5- good quality CCD camera with adjustable bracket.6-simple installation.....we are looking your reply soon.Best RegardsCANTARA