The Knog Plugger is the ideal choice for any cyclist looking for a bright and easy to attach front light with excellent visibility from different angles. The model is made of silicone and features side vents in the body for better visibility from the side. It has 5 modes to choose from. The battery life is up to 240 hours of operation with eco-flash mode and the light is 100% waterproof. Also included are 2 different lengths of silicone rubber bands for attaching to handlebars. Weight: 65 g Light output: 250 Lumens Battery capacity: 780 mAh Battery life at max. 1.2-2 hours Dimensions: 43 mm x 33 mm x 75 mm Battery Life ModesMax 1.5 Medium 3.5 Pulse 4.5 Flash 16 Eco Flash 240+