Knog blinder road 400 front lightthe knog blinder road 400 is a powerful front light that supplies an exceptional illumination of the road ahead. Ideal for road cyclists, daily commuters and urban explorers, this light provides 400 lumens of light from two powerful lumileds leds and ensures you are always aware of what's in front of you.with an incredible power to weight ratio and dual constant flash modes, you won't find another light like this. Included accessories helmet mount, 2x interchangeable straps for front light, usb charge cable.storage modeto activate storage mode, make sure light is first turned off. Then hold down the on off button for 5 seconds and release when red led comes on. This led will stay lit until the light drops into storage mode. To reactivate light, plug into usb port and charge as usual. Once charged light will turn on as before. Charging efficiencywhen plugging the light into a usb port to charge a red led will display on the on off switch of the light to indicate that the light is charging. When fully charged this light will turn green to indicate charging is complete. Compliancethe light blinder mob the face twinpack, from knog, is fully compliant with german stvzo regulations. Features material polycarbonate housing and pmma lens. Hard anodised aluminium fascia. Uv resistant silicone output 400 lumens dimensions 53 x 30 x 75mm lens use of an optic design to provide a balanced ratio of beam width and distance to safely illuminate you and the path ahead constant bright tech maintains consistent brightness throughout specified run time integrated usb plug designed to be exposed to the elements, 100% waterproof thermal management automatically regulates the light output for optimum performance bike attachment two removable silicone straps for bars 22 28mm 29 35mm tool less attachment battery usb rechargeable lithium polymer run times lowest output eco flash setting 11 hours highest output solid beam setting 1.5 hours weight 105gbuy knog accessories from chain reaction cycles, the world's largest online bike store.