HS-STL-B1, HS-STL-AX, HS-STL-BX, HS-STL-CX, HS-STL-DX, HS-STL-EX
X Represents the size level of the lamp, it can be 1/2/3/4/5
EN 60598-2-3:2003+A1:2011;
EN IEC 60598-1:2021