The Hotpoint CIS640B Electric Hob is a sleek, stylish & functional addition to any kitchen. With four heat zones in two different sizes plus heat boosters, you're guaranteed quick & consistent cooking.. Ultra-efficient induction heating technology works by creating a magnetic field between the hob & steel or iron pan. The heat is instant, easily controlled & energy efficient. Front location touch controls give this Hotpoint hob a contemporary feel, while also having the advantage of being very easy to clean. The CIS640B also comes with a child lock, a pan detection system & a programmable timer for added peace of mind. Note: Only use pans suitable for induction hobs. These include: enamelled steel, iron, stainless steel (depending on the alloy) & some aluminium pans with a ferromagnetic base. Glass & copper bases are unsuitable.