Orion Skyblazer II Handheld Aerial SignalsThis product is subject to an additional $10 hazardous shipping fee and requires a signature at deliveryThe Skyblazer II is a handheld aerial signal for boats over 16'. These signals are US Coast Guard approved as both a day and nighttime signal. These flares are both floatable and waterproof for times of extreme duress.Signal Flares Specifications: Altitude: Up to 450'; Burn Time: Up to 7 seconds; Brightness: Up to 16,000 candela; Orion Skyblazer II Aerial Signal Safety Data Sheet