FEATURES 3 MODES: TALK SIREN & WHISTLEADJUSTABLE VOLUMELIGHTWEIGHTINCLUDES EASY-TO-USE BATTERY CARTRIDGE & BATTERY INDICATOR TO SHOW WHEN BATTERY IS LOW MEDIUM OR HIGH25WUP TO 1 MILE RANGEWEIGHT: 2 LBS18 HOURS CONTINUOUS USEREQUIRES 8 AA BATTERIESUPC : 734680060206Shipping Dimensions : 15.40in X 10.50in X 10.30inEstimated Shipping Weight : 10.0332