About the Exposure Diablo SYNC PackThe Diablo SYNC is our brightest helmet light thanks to triple LEDs, intense run times and programmable app, coupled with remote control it is the perfect light for on the limit riding. Reflex++ Technology automatically boosts lights to our highest lumen outputs yet when riding fast and then dim for the climbs, with no additional button to press whilst on the move by using the latest in 3D digital accelerometer and gyroscope technology. Various programs in the lights 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. Light Pack comes complete with Helmet mount, Handlebar bracket, Smart charger, USB charge cable, Lanyard, Quick start guide and additional battery cell. Key Features Cable Free Design. Intelligent Thermal Management. Optimum Mode Selector. Micro USB Charging. Hand Made in the UK. About the BrandUltimate Sports Engineering (USE) was founded in 1990 and is to this day driven by the obsession of creating the ultimate in innovative sports products. Today Ultimate Sports Engineering encompasses design and production of: Cycling components (USE) and Cycle lighting (Exposure Lights). From the company\\\'s initial offering of the suspension seatpost, USE has had huge success in the cycling industry. Producing components that contributed to winning Olympic gold, King of the Mountains at the Tour De France and dominating the high-end lighting market in the UK and across the world, USE endeavours to push boundaries and raise standards in sport. Exposure Instruction ManualLighting Buying Guide