Exposure Sirius Mk10 and TraceR Mk2 Light PackWhether you’re commuting across the city or clocking up the miles on a road adventure, this light set is designed for clear and consistent vision in all conditions. The 900 lumen Sirius front light paired with the smart TraceR ReAKT rear light, gives you the best and most compact front and rear light combo. See down the road ahead in the darkest of nights and be seen from behind on even the brightest of days. This superb combination ensures you stay visible with 240° visibility and our bespoke daytime running pulse mode DayBright. Day and night, rural or urban, the Sirius TraceR pack has you covered.Features: Material: Anodised 6063 Aluminium LEDs: Sirius 1 x XPL2(W3)|1 x XPE-R IP Rating: IP65 Output: Sirius MK10: 900 lumens; TraceR MK2 ReAKT: 120 ReAKT Flare, 75 lumens red Burntime: Sirius MK10: Min 2 hours Max 36 hours; TraceR MK2 ReAKT: Min 2 hours Max 36 hours Battery Capacity: Sirius MK10: 3500 mAh Li ion; TraceR MK2 ReAKT: 700 mAh Li ion Dimensions (mm): Sirius MK10: Length - 110, Head - 28, Back - 28; TraceR MK2 ReAKT: Length - 57, Head - 28, Back - 19 LED: Sirius MK10: 1x XPL2(W3); TraceR MK2 ReAKT: 1x XPE-R Charging Time: 4 Hours/3 Hours Length: 110mm|57mm Head Diameter: 28mm|28mm Weight: Sirius MK10: 84g; TraceR MK2 ReAKT: 35gTechnologies: 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. Reakt: Rear lighting that flares up automatically under braking. It can also intelligently adapt to the surrounding ambient light conditions to maintain maximum contrast and visibility, for example brightening for street lit areas and moving into sunlight from shade. 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. 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. Once the light has cooled, the power is automatically restored. Fuel Gauge: Using a traffic light system remaining runtime is easily monitored at a glance so you’re not caught out. The colour feedback is also used for mode selection, before defaulting back to runtime. Day Bright: Bespoke pulse pattern designed for daylight use which is more conspicuous than a regular pulse and visible over a kilometre away, even in the brightest conditions. DayBright mode will you noticed. Be Seen be SafeManufacturer’s Part Number: EXPSIRIUS10TRACERRAGMBBuy Exposure Bike Accessories from Chain Reaction Cycles, the World’s Largest Online Bike Store.