Quick Overview 12 f-stop power variability (0.25 Ws to 500 Ws) Adjustable in precise 1/10 f-stops All-digital control from LCD display Built-in CyberSync Transceiver Designed for use with HUB remotes Compatible with CST3, CyberCommander, and CyberSense remotes* Global plug-and-play from 100 to 240 VAC Available Modes: ACTION, COLOR, HSS (up to 1/8000 sec.), TTL Action stopping flash durations as short as 1/18,600 sec. (t.1) Color consistency +/- 50K at any power Bright, adjustable 160W Equivalent Daylight-Balanced LED Modeling Lamp Rubber diffusion dome cover Audible and visual recycle indicators Battery Powered (Can be charged while shooting)*These transmitters do not allow for HSS and TTL capabilities. Product Description The Celestial Flash Unit features HSS and TTL flash capabilities, a built-in receiver, a 160W equivalent daylight balanced modeling light, and is fully battery powered (can be charged while shooting). The HSS and TTL capabilities are controlled by the HUB remote (HUB remote required for firmware updates).The Celestial Flash Unit features HSS and TTL flash capabilities, a built-in receiver, a 160W equivalent daylight balanced modeling light, and is fully battery powered (can be charged while shooting). The HSS and TTL capabilities are controlled by the HUB remote (HUB remote required for firmware updates).