Megaphone, Microphone is outside The battery can be charged * output power: 20W * working voltage: 8 sections NO. 2 battery, DC 12V *life of battery: About 8 hours * Impedance of horn: 8Ω * effective distance: Alarm tone is 400 M propaganda 200M * size: 340× 248× 192mm
Carton size: 79*49.5*48 CM Net Weight: 15kgs Gross Weight: 17kgs 8 pcs/cartons
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