Built-In AirTTL, Use On or Off CameraFast Full-Power Recycling: 1 secUpgraded Battery: 450 Full-Power FlashesSync A10 Flash with iPhone CameraHigh-Speed Sync, LED Modeling Light9-Stop Power Range, 76W..

Built-In AirTTL, Use On or Off CameraFaster Recycling: 1 secUpgraded Battery: 450 Full Power FlashesHigh-Speed Sync, LED Modeling Light9-Stop Power Range, 76Ws OutputWeighs 1.2 lb Including BatteryOpt..

100Ws, 10-Stop Power Range5" Length, 3.1" DiameterIntegrated AirX ConnectivityFull TTL Exposure Control Plus HSS330' Wireless Triggering via Air TTL0.1-1.6 Second Recycling3500K LED Modeling LampLi-Io..

Shoe-Mount Control Unit and Ring Flash52, 58, 67, 72mm Adapter Rings4 x CT Filters, Carry BagGuide Number: 59' at ISO 100Beam Spread: 80°LED Assist Lamp, Recycling: 3 SecondsRuns on 4 x AA BatteriesIn..

Compatible with Canon TTLDual Flash Head DesignGuide Number: 79' at ISO 100Coverage: 90° Vertical & HorizontalLED Autofocus Assist LightRatio Mode; 1st & 2nd Curtain SyncRecycle Time: 3 Second..

2.4 GHz Transceiver with 328' RangeGuide Number: 190' at ISO 100 and 105mmZoom Range: 24-105mm (18mm with Panel)Output Range: 1/1 to 1/128Tilts -7 to 90° & Rotates 270°Optical Slave FunctionalityR..

2.4 GHz Wireless Radio SystemGuide Number: 217' at ISO 100 and 199mmZoom Range: 20-199mm (14mm with Panel)Tilts from -7 to 90°Rotates 270°Wireless Master/Slave FunctionalityManual Power Control: 1/1 t..