Perfect for the inland coastal boater, who seldom travels offshore.The 4 Self contained Skyblazer Alert signals are bright, safe, waterproof, and float. 4-Skyblazer II Self Contained Red Meteors USCG Approved Day or Nighttime signal Altitude: Up to 450 feet Burn time: Up to 7 seconds each Brightness: Up to 16,000 candela Packed in Resealable Zip Lock Bag Hazmat Charges May Apply