The microprocessor-controlled
DT-315A possesses the same great
features of the DT-311A with the
added convenience of total portability
via its own internal power supply
with up to one hour of full time,
high intensity flash rate. Powered
by rechargeable batteries located
inside its rugged aluminum housing,
the DT-315A also performs as an
AC line-powered strobe when plugged
into its standard AC adapter/charger
unit. One year warranty.