The Helix Max-W front LED is a high-performance lighting solution for cyclists seeking superior visibility and safety when riding at night or in low-light conditions. Combining advanced technology with a wide range of modes and options the Helix Max-W ensures a reliable and safe riding experience for all types of cycling. Specification 2 pcs high brightness LED Max. Lumens: 500LM FL-1 tested Max.Runtime: 41 hrs FL-1 tested Battery Type: Li-PO built-in Recharge time 2:30 hrs Size W x D x H: 42 x 76 x 24 mm Weight: 78g   Features 6 modes: MODE 1 / MODE 2 / FLASH 1 / FLASH 2 / DAY FLASH / SOS Anti-dazzling lens Rotatable CNC Aluminium heat sink Lock mode Day flash mode Mode memory function Variable lumen system Garmin style Quick release handlebar bracket Low battery charging and fully charged indicator Automatic fully charged cut-off system High precision optical lens Side visibility USB Type-C remote control system USB Type-C charging cable Water resistant USB port Water resistant IPX 7