Product Description - Rechargeable rear light on helmet The red helmet light for Giro helmets is attached using the Roc-Loc 5 fitting system and is used with 12 LEDs as an additional rear light to increase your visibility. You attach it by simply inserting it into a vent at the back of your head. You can choose between two light modes: continuous and flashing. In flashing mode, it stays lit for up to 10 hours before you charge the battery via a USB port. Information regarding the return of batteries and electrical equipment:Information on the return and disposal of used batteries and electrical equipment can be found here. Specifications:Type:Helmet light (red)Light Source:LED (12)Brightness:20 lumens (continuous light), 30 lumens (flashing light)Burn Time:2 hours (continuous light), 10 hours (flashing light)Power Source:battery (Li-ion), integratedPower Indicator:green (75 - 100%), orange (25 - 75%), red (0 - 25%)Technical Information - Light:Material:compositeIllumination Modes:2 (steady light, flashing light)Protection Rating:IP65Mount:Roc Loc 5 fit systemCompatibility:Giro Helmets with Roc Loc 5Features:helmet light for Roc Loc 5 fit systemsred light for extra visibility while ridingtwo light modes (continuous light and flashing light)Contents:1 x Manufacturer: Giro Sport Design 1120 Westgate Dr Suite 100 San Leandro CA 94577 USA info@giro.com Distributor: GROFA Action Sports GmbH Otto-Hahn-Straße 17 65520 Bad Camberg Germany info@grofa.com