2 Pcs Godox Thinklite TT600S GN60 Camera Flash Speedlite with Built-in Godox 2.4G Wireless X System for Sony Cameras with Multi Interface Shoe - 0.1-2.6s Recycle Time 230 Full Power Flashes GN60 (m ISO 100, @105mm), Approx. 0.1-2.6s recycle time, 230 full power flashes (Using 2500mAh Ni-MH batteries), 22 steps of power output(1/1~1/128). Support M/Multi/S1/S2 modes, 20-200mm auto/manual zooming. With C.Fn custom function settings, focus assist lamp, buzz function, over-temperature protection, etc. Equipped with Optic transmission and 2.4G wireless transmission, offers you an even illumination and stable power output, giving you more outstanding light effect. TT600S 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 TT600S is mounted onto the camera. With high-resolution LCD panel to offer clear and easy operation. Turn the select dial to choose the amount of the settings.