The Exposure Trace & TraceR MK2 is the ultimate answer for the cyclist who needs a super compact front and rear light set, with USB convenience and superb build quality. Single XPG2 Cree LED emits up to 125/75 lumensBurn time: min 3hrs max 24hrsBattery capacity: 700 mah li ionApprox. Weight: 35g eachMade in the UK with 2 year warrantyFeaturing Optimised Mode Selector, 3 brightness levels, side illumination and Fuel Gauge displaying the remaining battery life using a traffic light system making it clear when you need to recharge, the Trace & TraceR ensure you stay visible, both day and night, in the urban jungle and on rural roads. Exposure s range of commuting and road lights are designed to be used both day and night, with high power outputs and excellent side visibility. There are now more cars on the road than ever and with 80% of all traffic accidents involving cyclists occurring during the daytime, it s important to be as visible as possible. DayBright uses a specific pulse pattern and lumen intensity, which cuts through the distractions of busy roads and visual noise for the modern motorist, visible from over a kilometre away, even in the brightest of sunlight, Exposure s new Daybright mode will help to keep you safe and seen.