UL Classified for Class I, Division 1. Enables the headlamp to be used in certain hazardous locations. Bright, 1 Watt Super High-Flux Luxeon LED has a 50,000 hour lifetime and never needs replaced.. 90 degree tilting head enables user to direct the light where needed. Longer run time than a traditional Xenon bulb. Easy to use push button switch and 'hands free' operation Streamlight's first safety approved LED headlamp for Class 1, Division 1 hazardous locations! Constructed of ultra light impact and shock-resistant ABS Case with unbreakable polycarbonate lens. Rubber dome-shaped push button actuator provides easy "on-off" operation even when wearing heavy gloves. 90 degree tilting head is ideal for task targeting. Provides up to 34 Lumens for up to 11 hours of declining output to 25% intensity. UL Classified for Class I, Division 1, Groups A, B, C, D, Temperature Code T4. Includes 2 head straps - rubber and elastic - and 3 AA Alkaline batteries. This headlamp is yellow.