Sorry not LED related. But thought someone on here might know more than I do about this.
This was my Dad’s, probably bought around 1985-87’ish.
I’m not sure if the bulb is user changeable or not. But no idea what kind of bulb it is.
It somehow produces a large square/rectangular beam pattern with no spill beam. It will also shine through glass without reflecting back at you, so you can use it from inside a vehicle and shine it through the windscreen (windsheild )
Car lights consist of a glass “lens” in front of the reflector, the reflector itself and a bulb.
It started with a 6V, later 12V, incandescent 40W/45W bulb, about the size of a golfball.
Those were eventually replaced by the H4 60W/55W Xenon bulb, the size of a finger-tip.
Not in every country. In the seventies my father owned a Toyota Crown.
It had so called sealed-beam lights, lens+reflector+bulb in one single piece.
There was only one filament so there were four headlights on the car.
I think I am looking at a sealed beam car light, or hand held light from the 70/80-ties.
Sealed beam lights were quite common in US cars …. and on boats.
This particular “bulb” might be not easy to come by, but Optronics seems to be still alive and kicking.
If you know the size (ie the formal description, something like 4515) you could check out Ebay.