12 Gauge Red high performance Aerial flares. New signal BURNS LONGER, goes HIGHER and BRIGHTER than the standard 12-Gauge signal. * USCG Approved as a Day or Nighttime signal. * Altitude: up to 500 feet. * Average Candlepower: up to 16,000 candela. * Average Burn Time: up to 7 seconds. * EXCEEDS USCG minimum requirements