our company(hongkong huawei international electronic limited) is an industry leader in the design, development and production of high quality security systems and components. our products include dvr cards(include kodicom series,gv series,avermedia series,picaso series,pico series, wdt series);cameras (include color camera,b/w camera,dome camera,bullet camera,integrative camera,flying disk camera,and double ccd camera).in addition we have developed a new product, telephone recording card/box,this is a new product in surveillance product area.we also develope another new product,wireless data module. you can gain more information from our website:www.hkhuawei.net if you are interested in our products,please contact me. e-mail:sales01@hkhuawei.net msn:yishidvr04@hotmail.com skype:fansijie1985 yahoo:cristy_fan1985