... Signal Shielding Device with Strength Remote Control Features: 100% Brand New Model: SS-101FADimensions: 230x21x100mmPower Supply: AC220VWeight: 1.3KGApplies to places 1, entrance, adult ... 3, detention centers, brigades, small, medium and large prison 4, gas stations, oil depots, oil fields, filling stations and ... places High Power Mobile Phone Signal Shielding Device with Strength Remote Control