This item appears to be an automotive LED headlight control module/driver (ballast).
Description:
Type: LED headlight control module / driver
Function: Controls and regulates electrical power supplied to an automotive LED headlamp.
Purpose: Helps the LED headlight operate at the correct voltage/current and can communicate with the vehicle's lighting system.
Construction: Black protective housing with a multi-pin electrical connector and metal mounting brackets.
Installation: Normally mounted to the headlamp assembly or nearby bodywork using the mounting tabs.
Vehicle use: Commonly found in modern vehicles equipped with factory LED headlights.
Commercial product description:
Automotive LED Headlight Control Module.