Specification Brand : GOWE BulletPoint1 : Comprehensive TTL system; NewsPage_39For Canon:Designed to fully support a Canon digital SLR cameras TTL system with E-TTLII compatibility. Always ready! Use it for shooting events or weddings, where lighting environments are complex.NewsPage_39TTL Functions:Include HSS (high speed sync up to 1/8000s), FEC (flash exposure compensation), FEB (flash exposure bracket),FE (flash exposure lock), rear curtain sync, modeling flash, control with cameras menu screen, BulletPoint2 : correct AF assist, USB firmware upgrade capability, etc.NewsPage_39Master Capability:workable as a master unit to have full control on other Slave-capable speedlites e.g. V860C, Canon 600 EX-RT,580EXII, etc without any operation for the slave units at all during the shooting.NewsPage_39Slave Functionality:operated as a slave unit that can be controlled by the cameras own built-in commander mode or other Master-capable speedlites e.g. BulletPoint3 : 7D, 60D, 600D. Allow for prompt and convenient off-camera shooting.NewsPage_39With ETTL Trigger: compatible with most ETTL triggers available in the market. Use it off camera for shooting at home, on location, or in studios.Powerful & Convenient Li-ion Battery Solution; NewsPage_39Fast, Durable, Stable: 2000mAh LiPo battery provides 1.5 recycle time at max. power and 650 full power pops. During the 200th to 650th fire in tests, BulletPoint4 : recycle time can stay stably between 2 to 4 seconds.Thousands of low-output flashes never activate overheat. Only after 30 full power flashes, does overheat occur. NewsPage_39Real-time Battery Level: get to know the remaining battery level in two ways: one from the LCD panel on the flash, second from the battery charger. Get the real-time battery level before out for a shooting task. BulletPoint5 : NewsPage_39Super Value: Forget the heavy burden and messy battery charging and handling.No need with four AAs in the speedlites, four in the external battery pack, and four as backup. No multiple chargers or cables. Only one VING Li-ion battery and a charger is it. Accumulative costs on AA batteries saved after all. Less money for more benefit. CameraFlash : Slave CompatibleMountings : Canon ConnectivityTechnology : Wired ExternallyAssignedProductIdentifier1 : 0827674458421 ExternallyAssignedProductIdentifier2 : 827674458421 Hazmat1 : LITHIUM ION BATTERIES PACKED WITH EQUIPMENT Hazmat10 : CN_SmallLithiumIonBatteryWithEquipment Hazmat11 : DE_SmallLithiumIonBatteryWithEquipment Hazmat12 : EG_SmallLithiumIonBatteryWithEquipment Hazmat13 : ES_SmallLithiumIonBatteryWithEquipment Hazmat14 : FR_SmallLithiumIonBatteryWithEquipment Hazmat15 : GB_SmallLithiumIonBatteryWithEquipment Hazmat16 : IN_SmallLithiumIonBatteryWithEquipment Hazmat17 : IT_SmallLithiumIonBatteryWithEquipment Hazmat18 : JP_SmallLithiumIonBatteryWithEquipment Hazmat19 : MX_SmallLithiumIonBatteryWithEquipment Hazmat2 : UN3481 Hazmat20 : NL_SmallLithiumIonBatteryWithEquipment Hazmat21 : PL_SmallLithiumIonBatteryWithEquipment Hazmat22 : SA_SmallLithiumIonBatteryWithEquipment Hazmat23 : SE_SmallLithiumIonBatteryWithEquipment Hazmat24 : SG_SmallLithiumIonBatteryWithEquipment Hazmat25 : TR_SmallLithiumIonBatteryWithEquipment Hazmat26 : US_SmallLithiumIonBatteryWithEquipment Hazmat3 : II Hazmat4 : 9 Hazmat5 : AE_SmallLithiumIonBatteryWithEquipment Hazmat6 : AU_SmallLithiumIonBatteryWithEquipment Hazmat7 : BE_SmallLithiumIonBatteryWithEquipment Hazmat8 : BR_SmallLithiumIonBatteryWithEquipment Hazmat9 : CA_SmallLithiumIonBatteryWithEquipment ItemName : GOWE 3X E-TTL Speedlite Li-ion Battery Flash High-speed sync 1/8000s & Light Stand Trigger Umbrella Kit For Canon Camera ItemTypeKeyword : camera-flash-battery-packs Manufacturer : Gowegroup PartNumber : GWE-1028157 ProductDescription : Comprehensive TTL system; NewsPage_39For Canon:Designed to fully support a Canon digital SLR cameras TTL system with E-TTLII compatibility. Always ready! Use it for shooting events or weddings, where lighting environments are complex.NewsPage_39TTL Functions:Include HSS (high speed sync up to 1/8000s), FEC (flash exposure compensation), FEB (flash exposure bracket),FE (flash exposure lock), rear curtain sync, modeling flash, control with cameras menu screen, ProductSiteLaunchDate : 2016-07-02T08:05:46.488Z WirelessCommunicationTechnology : Optical Pulse