The orca i 204w and i 204r defines a new category of functional design. The orcas usb rechargeable soft silicon body design makes it ideal for mounting in nearly any location. The rider can easily select from 3 illumination modes including flashing constant output and pulsating to achieve the optimal light for every situation. The orca is available in front i 204w and rear i 204r versions. The orca i 204w and i 204r combines intelligent industrial design with human appeal. A soft silicon outer layer is co molded to a harder polycarbonate inner housing containing the lens lamp and circuitry. The combination of these materials results in a final unit that is durable weather resistant and easy to mount virtually anywhere on the bicycle. Features made of high tension elastic material with buckle design is for easy installation flexible body with anti slip design allow holding on handlebar and seatpost charging and low battery indicator tool free installation ipx4 waterproof standard specs size 120 x 28.5 x 25 mm weight 16 grams led 1 red led brightness 6 lumens battery rechargeable lithium ion polymer battery run time 40 hrs flashing4 hrs constant12 hrs pulsating charge 2.5 hrs strap fit oslash19 oslash35 mm manual download