Claimed output- 1500 lumens. Measured output- 1530 lumens. Good reach and spread of light. Run time 3 hours – 12 hours Modes: High / Medium / Low Battery charges by usb (usb cable included), led shows green when charging, Also usb power out. Comes with handlebar mount to fit bars up to 33mm and adapter to fit GoPro mount. FREE P&P
