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ER-57S
Greatly Megaphone
Now we have change the design with new style for it.
Size:Dia303xL460MM
Dia12.3”xL17.1” Function:Talk/Music/Siren/Whistle or USB/SD Card/MMC card
Dry Cell:8×1.5V(size C) or 10-13.8VDC
About 2.5Kgs(5.50lbs) without battery
Power is from 45W to 60W
ABS Housing,with strap,can do with stand
Sound coverage can be 600- 1800M out door
Used by U.S. Armed Forces
We fully support this product with warranty repair or replacement service under a one-year manufacturer’s warranty covering
defects in the product’s material or workmanship
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