Nas is reportedly set to secure a huge payday from an early investment that he made in a smart doorbell company.

According to We Buy Black, the hip-hop legend was an early investor in a company called Ring, which makes smart video doorbells. Recently, the company was acquired by Amazon for a reported $1.1 billion.

Out that acquisition, Nas is reportedly expected to secure a $40 million check. NBA Hall–Famer Shaquille O'Neal will also receive a hefty windfall as well for securing equity in the company in exchange for being a pitchman in advertisements.

So what is Ring? According to the company, Ring is an anti-crime device that uses a tiny camera in the doorbell so users can see a video broadcast through an app on their phones. They currently own 97 percent the market with their smart tech. In a statement after the Amazon purchase, the company said

Nas and his business firm, Queensbridge Venture Partners, have invested in a plethora companies, including Genius, Dropbox, SeatGeek and Lyft. The Illmatic rapper also has a clothing line called HSTRY and is a major investor and contributor to the hip-hop website Mass Appeal.