Safety-Rated Headlamp, Battery Chemistry Alkaline, Includes Batteries Yes, Battery Size AAA, Number of Batteries 3, Includes Charger No, Beam Pattern Flood, Spot, Body Color Yellow, Body Material Plastic, Number of Light Output Modes 3, Maximum Beam Distance 100 m, Maximum Brightness 310 lm, Run Time at Maximum Brightness 4 hr, Weight with Batteries 3.9 oz, Alternate Battery Size AAA, Battery Location Back, Rechargeable No, Beam Focus Adjustable, Includes Secondary Light Yes