Godox Witstro AD-360 Bare Tube Flash Speedlite + PB960 Battery Power Pack Black High Power - up to 360w/s, GN 85 (m ISO 100, with AS-S2 standard reflector) Bare bulb - providing even and sufficient illumination. Precise Output - adjusting from full power to 1/128 in 1/3 stop increments Good Portability - compact size and light weight body & accessories. Stable Color Temp - 5600200k over the entire power range. Advanced Function - incl. Multi flash, Focus-assist beam on/off & High-speed sync triggering. Wireless Commander - controlling flash functions and triggering. Large Electricity - drawing from external power pack (PB960: 11.1V/4500mAh). Wide-Range Accessories - incl. softbox, reflector, fold-up umbrella, and beauty dish, etc) Over-Temperature Protection