Ready to go, no-ATU endfed.  100 watts max.  Ready to go, no-ATU endfed fits in your pocket.  100 watts max.    Using a length of cord suspend either one or both ends of the aerial, fit your coax to the BNC fitting and off you go.  The unit will cover 40 - 10m, no ATU needed but if you do use an ATU to trim the SWR, even better!  ATU essential on 30m.