Cao is a mt4 (MetaTrader 4) indicator and it can be used with any forex trading systems / strategies for additional confirmation of trading entries or exits.
(downloadable file Cao.rar contains Cao.ex4 and Cao.mq4)
Free Download Cao mt4 indicator 
How to install Cao in forex trading platform metatrader 4?
- Extract the downloaded Cao.rar.
- Go to “File menu” in Mt4 trading platform and click “open data folder”. Open Mql4 folder and open the indicators folder.
- Now paste the Cao.ex4 and Cao.mq4 files into indicators folder and restart the MetaTrader 4.
