Here's a review from iThome Taiwan on QNAP NVR-1012 network video surveillance system. The author notes that "as long as you install a hard disk and configure the cameras (max. 4 cameras), you could connect manage and access recordings remotely. It's more convenient than other surveillance solutions in the market..."
QNAP would like to thank iThome. Click here to read the review and here for more details about the NVR-1012.