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The Petzl E03 050 Headlamp is an incandescent headlamp manufactured in France by Petzl during the late 80's & early 90's. The headlamp contains a single 3V incandescent bulb housed in a clear lens and reflector assembly. The bulb is powered by two AA batteries. The lens is attached to an articulated mount that utilizes an elastic band to attach the headlamp to the user’s head.
“Micro Water Resistant On Off Brignoud France Brevets France Etranger REF E03 050 Petzl ZI Crolles 38190” serve as delineating marks on the rim of the lens.