1. It can plot values from 4 different time frames which can be customized.
2. Higher time frame indicates the main trend
3. Overbought and oversold levels are highlighted with different colours.
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.