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Pelican PM6 3340 Helmet Lighting System This system includes the Pelican PM6 3320 Flashlight and the innovative Universal Helmet Bracket, fits all models of industrial and fire helmets and as many as 27 other Pelican flashlights. Assembling in seconds with the help of a single flat-head screw driver, the Universal Helmet Light Bracket can be configured into an incredibly wide variety of angles and positions. Three styles of bracket attachment are included. Constructed of nearly-indestructible, engineering-grade, polymer, the PM6 weighs in at a scant 3.45 ounces so it won't weigh helmets down. LITHIUM BATTERY WARNING - Please read the Technical Bulletin for proper battery usage. Pelican PM6 3340 Helmet Lighting System Specifications Light Source Tested Lumen Value Tested Lux Value (@ 1 meter) Xenon 74.0 6,000       Batteries Battery Burn Time Battery Pack/Charging Time 2 CR123 Lithium (Included) 1 hrs. N/A       Watts Voltage   7.8 6         Length Weight w/Batteries Weight w/o Batteries 5.27" (13.4 cm) 5.04 oz. (0.14 kg) 4.2 oz. (0.12 kg)