Area Coverage: 18 sqft @ 2" spacing; 25 sqft @ 3" spacing (recommended), 35 sqft @ 4" spacing.
Heating Cable Length: 100ft + cold lead (10ft)
Voltage: 120V; Output: 300W (3W/ft.); Amperage: 2.5 Amps
Heating cable is only ~1/8" thick and will not raise the floors significantly.
UL listed for USA and comes with a 25-year Manufacturer Warranty