New signal BURNS LONGER, goes HIGHER, and BRIGHTER than thestandard 12-Gauge Signal. 4 12-Gauge HP Red Aerial Flares USCG Approved as a Day or Nighttime signal Altitude: Up to 500 feet Brightness: Up to 16,000 candela Burn Time: Up to 7 seconds each EXCEEDS US Coast Guard minimum requirements NEW Packed in Resealable Zip Lock Bag Hazmat Charges May Apply