For long-range distress signalling. When activated, it launches a flare to attract the attention of rescuers. PLEASE NOTE: THIS PRODUCT IS ONLY AVAILABLE FOR COLLECTION FROM OUR WAREHOUSE IN BUCKINGHAMSHIRE Features Flare ejection height 300mRed light intensity 30,000cdBurning duration >40 secWeight 420gClear instructions for useNon-slip surfaceMED-approvedOptional 4-year duration ~ MCA