Swivel hinge unit rotates 180 degrees Each arm moves independently Plug in units Very simple to install Energy efficient Using power of one or two light bulbs High Quality 304 Stainless Steel - not chrome plated mild steel or brass Integrated ON OFF switch with pilot light, located at the bottom of vertical bar No liquid in unit Temperature - heats up to a 136 °F 2 Years WarrantyAMPs: 0.45 Average Temperature Range: 260 BTUs: 170.5 Collection: Swivel Depth: 3-8 9 Height: 25 Standard Voltage: 110 Wattage: 50 Weight: 6 Width: 22