Compact MET helmet light with Safe-T Orbital and Safe-T Advanced clamping system. The helmet control wheel remains accessible even with the light on. 25 lumens | Weight: 13 g | Waterproof Visibility: 180 degrees, 500 meters Light source: 6 high intensity red LEDs Light output: 25 lumens Charging: via USB Micro-B port Cable: USB Micro-B to USB A (included) Additional info: waterproof Designation: 2018 range: Grancorso, Trenta 3K Carbon, Trenta, Manta, Rivale, Roam, Lupo, Parachute. 2017 range: Rivale, Manta, Lupo, Parabellum, Parachute. Bluegrass Goldeneyes. 2016 range: Inferno, Rivale, Stradivarius, Manta, Sine Thesis (comes included), Veleno, Lupo, Parabellum, Parachute. Bluegrass Goldeneyes. 2015 range: Estro, Inferno, Stradivarius, Sine Thesis, Veleno, Kaos, Parabellum, Parachute. Bluegrass Goldeneyes.