Self-Contained Battery Operated LED Headlamp.

3 Lighting modes Wide-Angle Beam, 32° center beam, 86° Ambient Light Beam. The performance statement is under ANSI/NEMA FL1-2009 standard. The duration of brightness drops below 10% of the startup value.

• Illuminated surface diameter is approximately 39.3 in ( 100 cm ) when emitted at 19.6 in ( 50 cm ) away from the subject
  
• 3 Lighting modes of brightness: 500 lm, 250 lm, 50 lm
  
• Powerful Neodymium Magnet on the back side
  
• Detachable, rotate and slide mechanism
  
• Shut-off mode prevents accidental activation and battery depletion when stored for an extensive amount of time
  
• 3 x AAA 1.5V batteries