Binance USDT - BTC

What should be the volume in this bot setting?

100 as USDT? or 0.01 as btc?

I used 100 USDT, then this happened

https://pasteboard.co/HcNu3c7.png


Here my setting:

https://pasteboard.co/HcNuL58.png

I wonder, why the bot wants to buy for 0.01 btc