... time short and Creative Strong Dynamic effect good and Save energy & safety Wide Use BRIEF INTROUDCTION:Rescue Lighting Safety Rope ... fighting ,earthquake etc. rescure guiding etc.CHRACTERISTICEasy to be used, Energy-saving, To be pulled or reeled in while lighting , ... visibility distance is about 50-100m CE and RoHs approved, Energy saving, Environmentally friendly, No harm and danger to human body ...