The Warmup mat is design for use within the adhesive layer under tiles or within a leveling compound under other floor finishes. The fixed spacing and self-adhesive mat makes installation of regularly shaped rooms quick and easy whilst ensuring accurracy of capble spacing. -Rated -voltage: 120V and 240V; 50 / 60Hz -Width: 20 «(500 mm) -Thickness Of the mat: 1/8 «(3 mm) -Internal and external -Isolation: advanced fluoropolymer -Output -Power: 14W / SF -Linear -Power: 3.4 watts / lin * No exchange / no refunds