Features: Suitable For V850 V860 Flash Triggers, ensuring stable wireless signal transmission and improve photography effect. Support 4G wireless frequency, transmission distance up to 100metres; Equipped with automatic channel search and combination function, convenient and quick; Can control multiple flashes at the same time to achieve multiple angle lighting. Professional photographers, photography enthusiasts and users who need to shoot from a distance. Specifications: For V850 V860 Flash Triggers Support 4G Wireless Transmission Distance Up To 100Metres Size：about 2x1cm/0.79x0.39in Quantity: 1PC Package Includes: 1PC Flash Triggers note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to different monitors.