Traduzione in corso passo 2
When removing light component, the black rubber band (red circle) separating body and head falls off. Turn black socket (black circle), which connects bulb to batteries, counterclockwise and disconnect.
Bulb (red circle) simply pulled out reflector and lens compartment.
The metal connector (red circle) easily slides out open end when twisting off the black socket. This metal piece connects the metal switch supplying power to the bulb.