ROOF AND GUTTER ROOF AND GUTTER Roof And Gutter Deicing HTLE Self Regulating Heat Trace Cable Energy Efficiency Automatically Varies with Power Output in Response to Pipe Temperature Changes;PTC Core Materials Are Made By Ourselves;Lower Installation Cost and Maintenance Expense Compared to Steam Heat Tracing;Cut-to-length according to practical requirements on siteNo Overheat or burnout Even when Wrapped Over Itself(Overlapped);Suitable for use in Non-hazardous, Hazardous and Corrosive Environments; Deicing Cable Prevents Snow and Ice Dam Damage to Roof, Gutters, Downspouts, etc.Pre-assembled hence Ready to Install;Emits zero Electromagnetic Fields;Requires an External Thermostat;Comply with both Europe and North America Safety Standards;3 Year Warranty.Custom Your Own Marks and Packing