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Visible up to 600 metres, this super-bright high powered LED has an output of 5 lumens and a burn time of 3.5 hrs (steady), or up to 23 hrs (flashing). It has 4 modes: constant, strobe flash, fast flash, and random strobe. The water-proof flexible silicone body is super slim, has an integrated clipping feature and features quick release mounting. There is also a low battery indicator.
The battery discharge feature has been integrated into the electronics to optimise battery longevity. This feature should be activated when the light will not be used for an extended period (i.e. more than a month). To activate mode simply hold down power button for 5 seconds after a full charge cycle. The LED will be active until the battery reaches the correct discharge level to which the LED will turn off and the unit will be safe for storage.
To preserve the condition of the Lithium battery, when the Boomer isn't used for an extended period, the batteries should rest at 50% charge. To achieve this, simply charge the Boomer to 100%, hold down the button for 5 seconds. This will turn the light on and automatically shut the Boomer off when the battery reaches 50% charge.
Riding around Cambridge is easy and can see and be seen.
Recharging is a doodle as I charge whilst i'm asleep.
Hi, I bought this light because I wanted something discreet, quite cool looking and good quality.
Ended up buying that Knog one, even though it is expensive (£25 for one bike... Read more
If you have ever been caught out with flat battery on bike light for winter ride to work this could be solution for you. Read morePublished on 18 May 2013 by Stratnorth1
Very bright, easy to attach/detach, will save me a fortune in batteries. Arrived very promptly. Very happy with my purchase.Published on 9 May 2013 by Aimi
Really bright light, works well, love the USB charge (I can use my phone charger when I'm away from a PC).
amazing lighst for the price -been using Knogg for a few years now -the blinders are even more impressive.
Bargain and very very bright and rechargable!