ASK AN EXPERTDescription
- C4 LED technology for extreme brightness
- Full 360 degree rotation head with 210 degrees of articulation
- IPX4 rated for water resistant operation. All openings o-ring sealed
- 2 meter impact resistance tested
- Removable magnet and integrated hook (or clip for orange model)
- Serialized for positive identification
The STREAMLIGHT Knucklehead Flashlight, Alkaline Model, Black (90641) is a flexible work light designed to put light where you need it. It is a lightweight, hand-held flashlight with a 210 degree articulating head that rotates a full 360 degrees.
The Knucklehead Flashlight features the latest in dual C4 power LED technology, microprocessor controlled high and low intensity modes, emergency flash and a low-light, low-power moonlight mode. The model is built with dual wide pattern parabolic reflectors inset into larger textured reflector, to provide a smooth flood pattern for close-up work. Optimized electronics provides regulated intensity over the life of the battery.
The Streamlight Knucklehead features an unbreakable polycarbonate lens with silicone anti-scratch coating set in a heavy-duty bezel. The lens and all other openings are O-ringed sealed, and are IPX4 rated for water-resistant operation.
Manufactured from high-impact, super-tough nylon polymer that is both chemical and corrosion resistant, the Streamlight Knucklehead offers exceptional durability.
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Warranty Information
| Battery | Four (4) “AA” alkaline non-rechargeable battery pack |
| Case Material | High impact super tough nylon |
| Lens | Unbreakable polycarbonate with silicone anti-scratch coating assembled in a heavy duty bezel |
| Light Configuration | C4 LED technology, impervious to shock with a 50,000 hour lifetime |
| Distance | High: 68m; Low: 37m |
| Lumens | High: 200; Low: 63 |
| Candela | High: 1.150; Low: 350 |
| Run Time | High: 3h 30min; Low: 16 hrs |
| Color | Black |
| Dimensions, in | Height: 9.20"; Width: 2.85"; Thickness (at magnet): 2.75" |
| Weight (w/ batteries), oz | 18.3 |
