Moon Gem 2.0 USB Rechargeable Front LED Light

Compact commuter light
The Gem 2.0 front LED bike light is a great safety/additional lighting system for urban commuters. Considering its tiny size the Gem 2.0 gives out a strong 19 lumen from 3 bright LED’s.
Fast USB charging
From flat you can charge the bike light in just 2.5 hours which is ideal as you can plug it into any USB port at work for your ride home. The handy low battery indicator also lets you know how much charge you have left - and when you should plug it in.
8 hour runtime
Once fully charged the Moon Gem 2.0 gives you up to 8 hours runtime. You can choose from 4 different lighting modes for maximum safety or battery economy depending on your ride condition.
Details:
- 3 x 5mm high performance LEDs
- 16 Lumen output
- 235 LUX @ 1m
- 180 degree arc of visibility
- Integrated Li-ion rechargeable battery (3.7V 280mAh)
- 2 hours recharge time
- Up to 6 hours 30 minutes run time
- Recharge directly from your PC or Mac via USB connection
- 4 modes - Constant & flashing modes
- Auto charge cut off
- Side visibility
- Integrated quick release bracket with horizontal adjustment
- 50mm x 30mm x 16mm
- Weight: 26.8g
Occasionally, without notice, manufacturers change product design and/or specifications.

Light measurement guide
CANDELA The actual amount of light output at the source, similar to volume of sound coming out of a speaker in all directions. One candela = the light intensity of a household candle.
LUMEN The amount of light (light density) that reaches you at a set distance (1 metre) and angle, similar to how loud the sound would appear to you a metre away from the source.
LUX The amount of reflected light from a surface. If you shone a torch at a dark wall, LUX is the light coverage you can see reflected on the surface.
WATT A measurement of power (electricity) rather than a light output. LEDs are measured differently to household, incandescent and florescent bulbs.
What do you NEED to look for?
All lights have a focused beam so it is difficult to compare Lumens and Candelas.
COMMUTING Get the brightest light your budget can afford, with the best features.
OFF ROAD LIGHT A unit with at least 1000 lumens is a good benchmark (500+ is ok but hard to see at faster speeds.
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