Features:

100% Brand New 

Model: SS-101B

Dimensions: 210x50x170mm

Power Supply: AC220V

Weight: 2.8KG

Applies to places  1, entrance, adult college entrance examination, self-examination and various tertiary institutions 2, party and government organs, and all kinds of small, medium and large conference rooms, concert halls, theaters 3, detention centers, brigades, small, medium and large prison 4, gas stations, oil depots, oil fields, filling stations and other inflammable and explosive places 

High Power Mobile Phone Signal Shielding Device