・ There shall be no leakage to the body where the back of the lamp is in trunk.
・ The reflex reflector shall be that the inside surface of lens is free of water and condensation.
Lamp with drain hole(Class 11 A)
・ There shall not be more than 2 ml a water inside.
Lamp with vent hole(Class 11 B)
・ There shall be no water leakage or condensation inside.