Specification Weight: 40g 100% Waterproof: Rating of IP67 100 Lumens 2 Animated light pattern designs to pick from: Bolt & Traffic Shaped to fit both standard and aero post 8 Lighting modes: Steady On - High Steady On - Low Low Flash High Flash Fading Flash Pulse Flash Accelerating Flash Eco Flash. Replaceable Silicone straps for tool less attachment. Recharged via standard USB means no requirement for single use batteries, recharged from flat in 5.5 hours. table { font-family: arial, sans-serif; border-collapse: collapse; width: 100%; } td, th { border: 1px solid #dddddd; text-align: left; padding: 8px; } tr:nth-child(even) { background-color: #dddddd; } Runtimes V Traffic Mode Lumens Runtime Hrs Steady On - High 35 4 Steady On - Low 20 7 Low Flash 50 7 High Flash 100 19 Fading Flash 30 14 Pulse Flash 70 19 Accelerating Flash 30 7 Eco Flash 30 50+ V Bolt Mode Lumens Runtime Hrs Steady On - High 30 4.5 Steady On - Low 20 8 Low Flash 50 16 High Flash 90 14 Fading Flash 100 15 Pulse Flash 30 20 Accelerating Flash 70 5 Eco Flash 20 50+