Amazing Deal via Amazon offers the Water Resistant 7-LED Headlamp
, model no. GPCT107, for $4.99
with free shipping
. (ebestshop4u via eBay
charges a penny more.) That's the lowest total price we could find by a dollar. This light features 7 LEDs, adjustable strap and inclination, four modes of operation, and up to 350 hours of battery life. Three AAA batteries are required (not included).