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Amp 4.0 LED Flashlight
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Princeton Tec   Amp 4.0 LED Flashlight

The streamline design and high power Rebel LED make the Amp 4.0 a versatile workhorse of a handheld. With a beam capable of reaching 75 meters, and a low setting extending burn time to 150 hours it is truly powerful, yet refined, making it perfect for everything from back country treks to household tasks.


  • 50 Lumens from 1 Maxbright Rebel LED
  • Regulated LEDs for Constant Brightness
  • Waterproof Level 2
  • Focused Narrow Beam
  • Accepts Lithium Battery (Included) or 4 x AA
Maxbright LED
The highest quality LED available from Lumileds, Princeton Tec`s Maxbright LED is extremely bright and efficient. This single LED emits a smooth, powerful, white light useful for a wide range of tasks. Princeton Tec uses collimators or reflectors with the Maxbright LED depending upon the application.

Regulated LED for Constant Brightness
Princeton Tec lights that feature regulated LEDs have a sophisticated regulating circuit that maintains initial brightness as long as the batteries have sufficient voltage. Traditional lights are very bright initially, but immediately begin to dim and continue to dim until the batteries are drained. Constant Brightness is a term used to describe products that have regulated LEDs.

Level 2 Waterproof
Princeton Tec`s intermediate rating, Level 2, is assigned to lights that offer a degree of water protection equivalent to IPX7 in the International Electrotechnical Commission (IEC) standards. Lights rated at Level 2 provide waterproof integrity down to 1 meter for up to 30 minutes.

Focused Narrow Beams
This pattern creates a long, powerful beam of light excellent for illuminating distant areas. The resulting long-throw spotlight is especially well-suited for night hiking and search and rescue.

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Princeton Tec Amp 4.0 LED Flashlight

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Light Source: 1 Maxbright Rebel LED
Power Source: Lithium or 4 x AA
Burn Time: Hight: 120 Hours, Low: 150 Hours
Distance: High: 79 m, Low: 47 m
Weight: 202 g