Rsi is good enough indicator itself. But what, if we will trade it on binary option? First of all we need to see current arrow as signal to buy or sell.
Then it will be good to have some kind of statistic. Like how much good signals did we have.
This indicator got special pannel, for demonstrating winrate, signals number and etc.
This indicator also got different algoritm for fonding signals.
You also can get voice signal on finding new signal.
You can set RSI levels for signal, and expiration time for calculating winrate.