Princeton Tec Fuel 4 Headlamp

5019-839
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Description

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An updated version of the popular Fuel, the Fuel 4 features a fourth LED, making it 186% brighter than its predecessor. All the other great features remain unchanged: a reliable asymmetrical single arm bracket for directing the beam, a large, easy-to-find push button switch, and a virtually bulletproof, easy-access battery door. A bright choice for hiking and general outdoor use.

  • Four lighting modes – high, medium, low and flash.
  • Range and burn times are High 35m/50hrs.; Medium 28m/90hrs.; Low 20m/146hrs.; Flash 96hrs.
  • Takes three AAA batteries (included).

Tech specs

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Lighting levels

The number of lighting levels/modes the light has (i.e., low, med, high, flash).

4 modes
Beam distance - flash 28m
Beam distance - low 20m
Beam distance - med 28m
Beam distance - high 39m
Boost mode

Briefly increases the light output to maximum brightness and distance.

No
Light source 4 LEDs
Burn time - flash 96 h
Burn time - low 146 h
Burn time - med 90 h
Burn time - high 50 h
Max light output

The total quantity of light emitted in every direction from a source of light; measured in lumens.

70 lumens
Beam pattern

Beam pattern affects how much you can see within the area of light thrown from the headlamp. Wide beams are good for close-up; spot or focussed beams are good for long range visibility.

Wide
IPX rating

Indicates the degree of protection against liquid. IP X1: Dripping water while in normal operating orientation; IP X4: Splashing water; IP X5: Water jets; IP X6: Powerful water jets; IP X7: Immersion up to 1m ≤ 30 minutes; IP X8: Suitable for submersion as specified by manufacturer.

IP X4
Power supply Replaceable batteries
Emits red light No
Regulated output

On regulated lights brightness is consistent, and does not decrease gradually as the batteries are drained.

No
Batteries 3 AAA (included)
Flash mode Yes
Made in USA