Output : Rated 15W Power Source : 9V DC R14P (SUM-2) or “C” Batteries AA 6 pcs Audible Range : Talk : Approx. 400m Sirene : Approx. 500m Sirene Mode : Push to talk Outer Horn Diameter : 210 mm Length : 310 mm Weight : 980 g Microphone weight : 130 g (cable excluded) Color : Off white