- 50W power; 1,200-yard range; For indoor/outdoor use; Used by US Armed Forces; Plug-in handheld microphone; Records & replays audio; 10-sec integrated audio memory; 3 audio modes: record, siren & talk; Built-in rechargeable battery; 3.5mm aux input; Works with iPod(R), MP3 players, iPhone(R), smartphones, etc.; Ergonomic pistol grip & lightweight chassis; 220V-240V compatible; Dim: 9 dia x 13.7L; Includes charger;