| Dear Sir : We are the one leading manufacture and exporter of innovative VIDEO INTERCOM SYSTEM(DOOR PHONE). 1. Video Intercom System (Video Door Phone 2 wire/4wire in B/W, Color) 2. Video Memory Unit (recording 32 frames) 3. CCT Micro Camera (B/W & Color) We acquired CE, CSA, and UL and have been exporting this item world wide over 60 countries with good reputation and superior quality and competitive price. With our experience of manufacturing of security system, we expect the numerous long - term demand of the security system. If you are interested in this item, pls feel free to contact me for further information. Thank you and awaiting yr prompt reply. With best regards, Lisa Lee | 
