Nuwave Portable Induction Cooktop Diamond with Probe, Advanced Countertop Burner, 91 Temps from 50°F to 500°F, 12”Shatter Proof Ceramic Glass & 6.5”Heating Coil, Ideal for RV Camp,Small Apt,Travel 0840097702896 streaked with dark brown lines including 1 bottom open streaked with dark brown lines Piccassio Beginner Art Kit also consists of a variety of Real Dried Flowers converting 85%~90% of its electro magnetic energy into heat NUWAVE INNOVATION – NUWAVE Induction Cooktops were the first to revolutionize the industry by introducing precision temperature control to induction cooking—an engineering breakthrough that was previously unavailable in the category