Blackburn: TO-BE-SEEN The Grid Front Light has four mode options, you can choose if you need high lumen power or extended run time. Ready for those commuting in the city, riding the open roads, or heading to their local trail. Grid Front Lights offer plenty of rechargeable power to keep you visible while out riding.110 max LumensWhite colored front visibility LEDsCOB led technology for powerful wide array to be seenSilicone strap wrap mount fits a wide variety of sizesEco flash extension extends pulse and strobe modes by 2 hoursPack and belt loop attachment clipFOUR MODESHigh Solid – full power, all the timeConstant Pulse – high power, always-on while pulsingFast Strobe – high alert, high speed pattern for max attentionECO Flash – extends pulse and strobe modes by 2 hoursMODE/RUNTIME:High Solid: 1.5 hours at 110 lumensConstant Pulse: 4 hours at 75 lumens (+2 hours auto-eco)Fast Strobe: 8.5 hours at 40 lumens (+2 hours auto-eco)ECO Flash: 20 hours at 40 lumens