The Godox Witstro AD600Pro II features the latest One-Tap Sync with X3 Trigger, a group identification indicator and an optimized colour display. It features upgrades in flash duration, battery life and increased output range. Continuing the reliable performance of the AD600Pro, the AD600ProII features an extreme cycle time of 0.01 to 0.9 seconds. In addition, it supports High-SpeedSync up to 1/8000 second. With the Godox 2.4G wireless system, the AD600ProII can be seamlessly integrated with TTL autoflash systems from various camera brands, including Canon E-TTLII, Nikon i-TTL, Sony, Olympus, Panasonic, FUJIFILM, Pentax and Leica.