Specification Binding : Electronics Brand : Potter Electric Signal Label : Potter Electric Signal Manufacturer : Potter Electric Signal PartNumber : VSR-AT-4 ProductGroup : CE ProductTypeName : GAS_SMOKE_FIRE_ALARM Publisher : Potter Electric Signal SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/31MQKh5jQAL._SL75_.jpg SmallImage_Width : 75 Studio : Potter Electric Signal Title : VSR-AT-4 Potter Auto Test VSR VSR-AT Vane Type Waterflow Alarm Switch Auto Test