Abstract: An electric torch includes a bulb holder, a head and a body. The bulb holder includes a bulb housing and a bulb received in the bulb housing, with a pair of first and second electrically conductive terminals. The first electrically conductive terminal is ground by a file to form a recessed portion and the first electrically conductive terminal is easily bent at the recessed portion. The head includes a head housing with a first thread segment at the upper outside surface and the lower inside surface, a reflector housing fixed to the upper portion of the bulb housing with and an arcuate reflecting concave at the upper inside and a through hole defined in the center of the reflecting concave for extension of the bulb.

Abstract: A flashlight having a water-resistant switch comprises a battery compartment, a hollow rear barrel, a rubber push button, an abutment cylinder, a conductive metal block, a first spring, an engagement cylinder, an insulator washer, a pin member, and a second spring. Battery compartment is coupled to rear barrel to a conductive element. Further, the relative position of battery compartment and rear barrel can be adjusted by threading. Rear barrel comprises a hole with push button projected therefrom. Abutment cylinder is threadedly secured in rear barrel to fasten push button. Metal block is provided between abutment cylinder and push button. First spring is urged between metal block and abutment cylinder. Engagement cylinder is threadedly secured in rear barrel. Insulator washer is fastened between engagement cylinder and abutment cylinder. Pin member is received in engagement cylinder. Second spring is urged between pin member and insulator washer.