Small enough to fit in your foul weather gear, these self-contained flares need no launcher.Pack of four USCG-approved day or night signal flares fit right in your vest pocket. New enhanced design with greater durability and resistance to moisture. Self-contained, waterproof and buoyant. Easy to use pull wire ignition. Launch as high as 450'. Signal Type: Red aerial flare Light Output: 16,000 candela Burn Time: Seven seconds Average Altitude: Up to 450' Deployment Method: Pull-wire ignition Type Approval: USCG Day/Night Replacement Interval: 42 months from manufacture date How Sold: Four-pack