The Thandicator uses a cross of 30 RSI and 20 SMA bound to the RSI close. It's purpose is to mimic the RSI 14 / MA 5 cross and to highlight when to go long or short.
The white candles are meant to be a indication of upward momentum and black candles for downward momentum.
The signals can become choppy when a ticker becomes choppy, It's important to treat this indicator as you would any other, with a grain of salt and not 100% accurate.