5 Led Cap Light. Make sure you install left battery + side up and right battery + side down!

• Attaches to cap for the most practial, hands-free light source available
• Good  for biking, jogging (use the flashing mode), camping, hiking and anytime you need bright illumination
  
• 5 Ultra bright LEDS. ON / OFF switch
• 2 modes: 5 LED light, 5 LED flash
• Power supply: 2* CR2032 cell batteries ( included)
• Put 2 pcs CR2032 cell batteries, it can last for approx 48 hours
• The life of LED is more then 10,000 hours
• Color: black
• Dimension: 3.2"*2.3"*0.8"
• Weight: 29g (include batteries)