Waldhausen LED reflector bracelet. This weatherproof and flexible bracelet is the best option for anyone not wanting to give up their training in the open after dusk. The long operating time lasting up to 100 hours ensures that you will be seen when riding, running, jogging, hiking, cycling, walking the dog etc. Children too are always easy to keep an eye on with this eye catcher. Freely adjustable for easy attachment to the arm or leg .Two operating modes: flashing or steady light. Supplied without batteries.