For use in day and night long range distress signal situations.1) Colour of light: Red 2) Duration of burn time: 40 seconds minimum 3) Light intensity: 30,000 candela minimum 4) Height: 300 mtr 5) Ignition: Base pull-wire igniter 6) Temperature operating range: -30oC to 65oC 7) Temperature storage: -30oC to 75oC 8) Weight: 270grm