These 600WS portable flash sets are powered by a
24 Volt NiMH battery for long life and abuse resistance. Recycle
time around 4 secs on full power with battery fully charged.
Each powerpack can
run one head at 600WS or two heads at 300WS each. Head types can
be mixed. Extra heads and battery packs are available. Supplied in
hard case with sync cord, carry strap and 240 Volt recharger.