Ikelite strobes are the only ones I have found to be dependable enough for professional use in the harshest conditions on Earth.
Strobes You Can Trust
230 watt-seconds of perfect bokeh-soft power. TTL compatible with ultra-fast pro-grade rechargeable battery pack.
DS160 II Strobe
160 watt-seconds of warm, soft coverage. TTL compatible with ultra-fast pro-grade rechargeable battery pack.
DS51 II Strobe
50 watt-seconds in the smallest body for travel. TTL compatible and powered by AA batteries.
Slide to See What Strobes Do
One question we get often is Do I need strobes?
Setting up Strobes with a DS Link TTL Converter