... safety vest used by policeman, soldier, fireman, etc. as security indication. It is no heat, low power, no harmful rays, etc. EL safety ... vestEL safety vest has the function of security indication. At night, it ... of no heat, low power and safety, no X-rays, no ultroviolet light as an environmental green products. As ... ,NW/GW:11.5/12.5KGS el safety vest