We are in urgent need of the Video Door Phone as per below specification. We would like to have the quotation only from chinese supplier along with their company profile. Technical Specification -------------------------------- B/W CRT 4-Inch Resolution: 380TVL 8 Basic Function: Monitor+ Unlock+ Alarm+ Talk Built-in Switch Power Supply: AC100-240V Camera pickup device: 1/4 CMOS or 1/4 CCD Monitor Dimension: 190x228x70mm Camera Dimension: ODS-2 105x125x32mm ODS-3 85x125x25mm ODS-S 115x185x45mm ODS-7 70x160x25mm ODS-5 125x205x40mm Installing: Surface Mounting Monitor Required Quantity :- 800 Sets