unit:W-PER-SR
$\textit{Watt Per Steradian (W/sr)}$ is the unit in the category of Radiant intensity. It is also known as watts per steradian. This unit is commonly used in the SI unit system. Watt Per Steradian (W/sr) has a dimension of $M\cdot L^{-2}\cdot T^{-3}$ where $M$ is mass, $L$ is length, and $T$ is time. This unit is the standard SI unit in this category.