Viking emergency phone panic button kit Connects toa Viking 1600A series emergency phone to provide a one way talk path to the pre programmed number when used Will activate the 1600A series emergency phone and light a red LED to let you know your call is connected Receiving end will be ableto hear everything happening at the installation site, but the site will not be able to hear anything from the receiving end, this makes it a very effective security measure, as there is no other indication that the site is being monitored Applications courtrooms, bank tellers, gas stations, motel reception desks, all night restaurants, convenience stores Fully modular for quick plug in installation Unobtrusive mount anywhere at any angle with supplied foam tape Provides security and peace of mind Dimensions 65mm x 35mm x 20mm 2.56 x 1.38 x 0.79 Cord length 7ft. Connections 1 RJ11 jack