The loop 2 rc is born from the same sleek compact design and eye catching visibility as the loop 2 but is now rechargeable with just 15 hours of charge time you get 15 hours flashing and 4 hours constant run time on the front light and 10 hours flashing 25 hours constant run time on the rear light installs easily on all 22 32mm diameter bars get noticed with the loop 2 series of cateye lights specifications dimension 28 x 28 x 27 mm weight 18 grams light unit and batte