• Brightness, beam distance, and lighting duration are ideally coordinated for the energy source
• Only 53 grams in weight and 142 millimeters in length with a head diameter of 14.5 millimeters
• Up to 8.5 hours1 in the lowest setting
•  1 single-end cap switch
• Two AAA alkaline batteries (micro, 1.5 V) are used

The size of a ballpoint pen, the P4 looks rather ordinary when you place it securely in your shirt pocket using its handy clip. But its light output is more than impressive: Up to 18 lm are cast into the darkness extending as far as 25 m. And its special lens creates a full beam of light with an unmistakable blue edge. The bright joy.