Our generator 6400 is a work horse and high-tech tool in one. It has everything that a photographer can expect from a generator. It is handy, portable and has a lot of power. Normally it lasts forever and protects against the loss of power cables. It also is reliable, has a short flash duration ( up to 1/2680 sec ) and a high repeatability. Additionaly it accepts the power out of every power socket in the world. All Briese generators are manufactured in Germany.