請先看『使用說明』

From LEXWiKi

eWatcher Introduction

eWatcher was our DVR System support project ,That's support the SI945 /SI510 /SI555 and M878 (1v4,1v2,2v2 version),
If customer need to DEMO DVR system ,Please select eWatcher Server that's complete DVR solution for our 878 series!!
If customer need to Develop their Video System ,Please select eWatcher SDK for second engineering!!

eWatcher Server

That's our complete DVR solution for 878 series include eWatcher server and Remote viewer for IE and Mobile phone!!
You can download form

eWatcher SDK

The SDK Package include the SDK Sample Code / Reference Document / SDK AP!!
You can got SDK version number when you install the eWatcherSDK.exe

You can download the eWatcherSDK package form here
You can download the eWatcherSDK Reference Document form here