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