... is no heat, low power, no harmful rays, etc. EL safety vestEL safety vest has the function of security indication. At night, it can ... for warning. It is of no heat, low power and safety, no X-rays, no ultroviolet light as an environmental green ... /polybag,50pcs/CTN/58X38X41CM,NW/GW:11.5/12.5KGS el safety vest