25W; Effective range: 1 mile; Detachable microphone with 3ft coiled cord ; Comfortable pistol grip; 3 modes: talk/siren/whistle; Adjustable volume control; Battery indicator lights show power status; Up to 8 hours continuous talk time with S1405 rechargeable Li-Ion battery pack (sold separately); Up to 40 hours continuous talk time with 8 C batteries (sold separately); Weight: 2.5lbs; Includes adjustable shoulder strap & S1405 battery pack;