Evolution Gerb 22mm 10S15 Aerial Shells (self contained)AirburstCombinationCometsCrossetteFalling CometsFallsFlares and Strobe FlaresFlash TraysGerbsJetsLaser CometsLine RocketsMinesMortar HitsSparkle Cannons/Cannon SimulatorSPD Bullet HitsTheatrical Flashes Aprox. 10 seconds 15ft/4,6 m 22 mm Silver Gerb, CE 0589-T1-0256 (IN) Safety Distance, 3 m radial, 7 m directional.