1.EM Security System for Library 2.Use:Bookstore,pharmacy shop 3.Material:Solid ... , strong hidden, easy operation and low cost.2.This system can be installed in medicine supermarket, putting 6~8cm em ... is also effective to aluminum foil, foil package.3.This system can be installed in clothing store, with hard tag ... ≥6cm Detection: Width: 75~90cm Height: 1700cm EM Security System for Library:KB-EM3500