Light My Fire Swedish FireSteel 2.0 Scout Lime 
 With intergrated emergency whistle
 
Reliable performance at all altitudes and in cold weather 2.980*c degree spark
Durable scout model lasts 3,000 strikes
Broad use ignites all tinder and can be used for gas stoves and barbeques
Works equally well when wet
Striker handle includes an emergency whistle
Safe - not declared as dangerous goods will not self ignite.