(1) fracture of the components, deformation, dropping, there is no abnormality such as cracks.
(2) airtightness of each portion such as a lens seal portion, leaks in internal pressure 19 6 k Pa.
However, this product in order to have a drainage hole in the packing seal, not confirmed.
(3) in the water resistance test, the residual water in the lamp 2 0ml` following things.