The strobe used is a model HRDF-200 which is an aircraft strobe. This model has been discontinued in favor of the more modern HRF-CA. It can be purchased with a different self-contained lens via Aircraft Spruce here
The type of lens used is an IS1 series 120. Also known as model A470, this complete lens assembly, part number 11-03291 is also available through Aircraft Spruce here
