dear manager: our company is an industry leader in the design, development and production of high quality security systems and components.our products are including dvr card,digital video recorder,video capture card, camera lenses, ccd and some other surveillance system products.also we supply kodicom,pico2000,wdt,avermedia and oem service.if these are not interesting you,we can produce products according to you special requirement. hope we can cooperate! regards! contact person:cristy website:www.hkhuawei.net e-mail:sales01@hkhuawei.net tel: 86-755-83756095 fax: 86-755-83755169 msn: yishidvr04@hotmail.com