High performance, versatile, all aluminum headlamps which can also be used as general purpose angled flashlights without the headband.

H501 Specs: (cool white version)
Light Output: Constant ratio output level spread. Current regulated.
Beam Type: 80 degree flood, with no hotspotHigh:  96 Lumens (2.3 hours) or 7Hz strobe
High:   96 Lumens (2.3 hours)    or 7Hz strobe
Med:   18 Lumens (19 hours)  or 2Hz flashing
Low:   3.3 Lumens (3.5 days) or 0.4 Lumens (21 days) Moonmode
Light output and runtimes are measured using a Sanyo 2700 mAh NiMH battery. Light output are out the front (OTF) values.
LED: CREE XLamp XR-E Q5 / Color Temp: 5700-6350 K

H501w Specs: (neutral white version)
Light Output: Constant ratio output level spread. Current regulated.
Beam Type: 80 degree flood, with no hotspot
High:  80 Lumens (2.3 hours) or 7Hz strobe 
Med:   15 Lumens (19 hours)  or slow (2Hz) flashing
Low:   2.7 Lumens (3.5 days) or 0.3 Lumens (21 days) Moonmode
Light output and runtimes are measured using a Sanyo 2700 mAh NiMH battery. Light output are out the front (OTF) values.
LED: CREE XLamp XR-E Q3 5A / Color Temp: 4000-4300 K

Weight:
0.74 oz (21 gram)
1.45 oz (41 gram) with an alkaline battery
2.22 oz (63 gram) with a battery and headband

Dimensions:
Diameter 0.75 inch (18.5 mm)
Height     2.75 inch (71.2 mm)

Battery: One AA size alkaline, 1.5v lithium primary, NiMH rechargeable, or 3.7v 14500 Li-ion rechargeable (some protected 14500s may not fit). Reverse polarity protection.

Battery Shelf Life: Over 150 years under parasitic drain

Features:
Electronic soft-touch switch, with a 200,000 cycle operating life
Smart user interface provides fast and easy access to all brightness levels
Recessed impact resistant LEXAN polycarbonate lens
Precision 3D machined casing from premium grade Alcoa aluminum bar stock, light weight with superior structural strength
Electrically conductive aluminum body provides inherent EMI/RFI shielding
Durable natural hard anodized finish (Type III Class I)
Battery power can be locked out by slightly unscrewing the tailcap to prevent the light from unwanted activations
Waterproof to IPX8

Included Items:
One black silicone holder with headband
One glow in the dark silicone holder
Removable pocket clip
Two O-rings

Operations:
From Off:
Press and hold to cycle through Low, Med and High, release to set.
Click to High, click again quickly to cycle through Med, Low and High
When On:
Click to Off
Press and hold to cycle through Low, Med and High, release to set.
When on High:
Double click at any level to toggle between two sub-levels.
Sub-level selections are not memorized after the light is turned off or through battery changes.

THIS PARTICULAR MODEL HAS BEEN DISCONTINUED BUT REMAINS ON THIS SITE FOR REFERENCE / COMPARISON PURPOSES ONLY!!!