As a scalper i can give you reply, scalping is nothing but more risky, Need lots of practice and most importantly discipline and money management, system is nothing which you can easily get by google, all systems are good, if you follow with discipline standard MACD and RSI would be enough, During the trading hours, Just remember that you are trading in a small time frame for grasping 10 pips, so, Scalping need more attention with market, Need to pay Large amount for small mistakes