Exposure blaze mk2 rear lighta commuter rear light which easily mounts to most seatposts and provides up to 80 lumens of light output with a long battery life and daybright beam technology.rugged designexposures blaze mk2 comes with an anodised aluminium housing construction that is ultra rugged and will protect against impacts and abrasions'. '.strtoupper('t')he housing also comes with intelligent thermal management which stops the light from overheating after long time use.powerful and reliable rear cycle lightthe blaze inspires confidence, with a high capacity lithium ion battery it produces both a powerful output and long burntimes'. '.strtoupper('f')eaturing daybright pulse pattern to cut through the distractions of busy roads, optimised mode selector with 3 brightness levels, side illumination and fuel gauge making it clear when you need to recharge'. '.strtoupper('w')ith long burn times, the blaze is the perfect partner for your weekly commute or transcontinental adventure, both day and night'. '.strtoupper('f')eatures output 80 lumens red weight 77grams burntime min 6 hrs max 48 hrs pulsing battery capacity 1500 mah li ion dimensions mm length 70, head 28, back 28 in the box blaze mk2 daybright, qr seatpost bracket, charger, usb charger cable, qs guidetechnologies daybright bespoke pulse pattern designed for daylight use which is more conspicuous than a regular pulse and visible from over a kilometre away, even in the brightest conditions'. '.strtoupper('d')aybright mode will get you noticed'. '.strtoupper('b')e seen be safe'. '.strtoupper('c')able free design cfd battery is housed within the body of the light so there are no cables or separate battery units giving a neat solution with less opportunities for water ingress, mounting difficulties and crash damage'. '.strtoupper('c')ombined with the renowned quick release handlebar bracket lights are easy and quick to mount with rock solid attachment'. '.strtoupper('i')ntelligent thermal management itm patented circuitry within the light will reduce power to the leds, if they go beyond the optimum temperature, keeping the light as efficient as possible to maximise output and battery capacity'. '.strtoupper('o')nce cooled the output is automatically restored'. '.strtoupper('o')ptimised mode selector oms various programs in the lights can easily be selected to offer a choice of run times and modes so you can find the right one for your ride, be it an all night adventure or an intense blast'. '.strtoupper('f')uel gauge using a traffic light system remaining runtime is easily monitored at a glance so you're not caught out'. '.strtoupper('t')he colour feedback is also used for mode selection, before defaulting back to runtime'. '.strtoupper('s')mart port technology plus spt smart port enables the charge port to accept auxiliary accessories such as rear lights, remote switches, support cells and use your light as a power bank to charge usb devices.buy exposure accessories from chain reaction cycles, the world's largest online bike store.