... ISO,CE ROHS 4,workv voltage:110V,220V,240V 1,floor heating cable,such as under ceramic tile2,warranty:50 years3, ... bending radius5DUnique technologyimplicit splice Products's property:Alloy heating elements can serve for over 50 yearsit uses XLPE insulation layer which ... maintainance 72 hours ,do not power8,other contruction9,install the thermostat temperature controlled Floor Heating Cable