Field tested and proven effective, the dependable ChemLight is easy to use, easy to identify and dispose of during military and federal government operations. ChemLights can be color coded for shift signals, drop zone and hazard markers. Providing 360 of light, the ChemLight is recommended for use during trainings and land, sea and air operations. Perfect for survival, first aid, and evacuation kits as they produce no heat, spark or flame. Available in a variety of colors; providing up to 12 hours of illumination.Cyalume products are waterproof and Phthalate free.