Petzl Zoom Headlamp for Sale: Works great
Helmet not included.
Manufacture info: This headlamp features an adjustable beam powered by a strong 4.5 volt battery for hours of reliable light.
with an adapter you can use three "AA" batteries (not included)
Comfortable three-strap system is secure on your head or helmet, freeing your hands for other tasks
The weight is perfectly balanced from front to rear, and the soft plastic battery case sits comfortably behind the head
Cast a bright light for up to 19 hours, (battery sold separately)
Spare bulb is in a protected keeper behind the lamp. Can also purchase a halogen lamp to make the beam extremely bright
Weather-resistant construction keeps the light working well in inclement weather
~$45 new. will sell for $20