• Solid-State, High Shock and Vibration Resistant
• Operates Up to 58+ Hours
• Limited Lifetime Warranty
• Constructed of Rugged Aircraft-Style Aluminum Alloy
• Twist On/Off Base
• Fast On/Off Push-Button Switch on Bottom
• Limited Lifetime Warranty

• Chart Reading for Pilots (Aviation
  and Marine)
• Instrument and Watch Illumination
• Military and Police Operations
• Astronomers
• Emergency Lighting
• Cabin Lighting While Driving at Night

With no fragile filaments, the key chain light is nearly impervious to shock and vibration. Its diodes last at least ten times longer than standard incandescent bulbs. Batteries last 15 to 20 times longer.

Batteries are included. Use the following batteries or equivalents as replacements:
Duracell PX76A, Panasonic/Toshiba LR44