Godox V850II High-Speed Speedlite can achieve 1/8000s high-speed sync functions when using in combination with high-speed triggers e.g. Godox Cells II Transceiver, X1 TTL wireless flash trigger, etc. Note: High-speed sync triggering mode is not available when V850II is mounted on the camera. Upgraded from V850 Speedlite , V850II Speedlite is better light shooting experience with built-in Godox 2.4G wireless X system. With Master and Slave wireless flash system, V850II fits all DSLR camera brands e.g. compatible for Canon, Nikon, Pentax, Olympas, etc. GN60, 22 steps of power output(1/1-1/128). Supports M/Multi/S1/S2 modes, 20-200mm auto/manual zooming. With C.Fn custom function settings, focus assist lamp, buzz function, oever-temperature protection, etc. Max. 1.5s recycle time and 650 full power pops. 2000mAh lithium batteries ensure better shooting performace. Less bulky, less heavy, no hassle but more convenient. Equipped with a wireless control port and a 3.5mm sync cord jack, V850II Speedlite has multiple triggering methods.