The dual function, SOLAS PML is designed with a chemical and electronic light source for additional protection. The SOLAS PML securely attaches to a PED. The electronic portion of the SOLAS PML is water activated and automatically starts flashing with a white high intensity battery operated beacon. The beacon can be manually turned on or off and will not dim. The ChemLight is manually activated by squeezing the handle. When the protective sleeve is removed, 360ᵒ of reliable light is visible up to 1 nautical mile and up to 3 miles by air. Available in green; providing 8 hours of illumination.