The Supreme Precision Wok has a non-stick coating which evenly distributes heat, meaning it cooks quicker, sealing in more freshness and flavour. The Supreme Precision Wok also has a variable temperature control for perfect cooking results everytime. With a tempered glass lid to allow you to check the cooking process without removing the lid, ensuring that your food is cooked to your personal taste. The stylish stainless steel outer body and detachable temperature gauge make the roaster perfect to serve from at the table. 1800 watts. Variable heat control. Non-stick. Tempered glass .