The new switch is designed to tackle all urban environments 350 lumens of bright light maximises the visibility of you and the road ahead made in the uk it is cased in a cncd aluminium body and powered by high grade li ion battery the switch will run for up to 24 hours on a pulsing mode and a fuel gauge and usb micro chargeport the qr bracket makes it quick and easy to add to your bike for daily use specification output measured 350 lumens runtime 3 24hrs battery rechargeable 26