TechData's main business includes security system (AnyKeeper DVR,large capacity storage devices), reselling of Microsoft software, and also manage MS Certified Technical Education Center. We have 9 models of DVR; We have a full range of DVR, starting from entry level to high-end models. TechData also have a branch at New Zealand. Major clients overseas: TechData Co., Ltd has lots of partners at the area of East-Asia as well as Europe and U.S. Please feel free to contact me.