請先看『使用說明』

From LEXWiKi

Introduction

The eWatcher project can support our PCI and System DVR solution now,We provide the 3 version for our DVR produces,Pls select which one you need for your case.
1.SI852A version
2.DVR-4S version (P878A /P878A-IO)
3.DVR-4U Version (P878H /P878H-IO)

Download Path

You can download our Install CD ISO file (Include the SI852A/DVR-4S/DVR-4U installer),or just download each version and driver.
For eWatcher Install CD ISO file.ISO Image
For eWatcher DVR-4S Installer.DVR-4S
For eWatcher DVR-4U Installer.DVR-4U
For eWatcher Driver Installer.Driver

How to use the Install CD ISO image