Keywords: Schweizer Armee Uew Syst.jpg Schweizer Armee à berwachungssystem Uew Syst bestehend aus Elektrofeldsensor EFS Passiv Infrarotsensor PIR Mikrowellensensor MWS Monitorbildsensor VBE Zaunüberwachungssensor ZUS Swiss Army surveillance system consisting of Electric field sensor EFS Passive infrared sensor PIR Microwave sensor MWS Monitor image sensor VBE Fence surveillance sensor ZUS Own photograph Shot at the Army Days 2006 Heerestage 2006 in Thun 2006-10-27 Wikimedia Commons user TheBernFiles Own work all rights released Public domain Military equipment of Switzerland PIR Passive infrared sensor |