Key Features: - Timer with a 10-hour limit - Approved by the FCC - Detects small articles and pans - Made with stainless steel for durability - WIH400 model: 120V, 1800W, 15 amps, 5-15 plug - WIH800 model: 240V, 3600W, 15 amps, 6-15 plug - Large cooking surface measuring 11" x 11" made of Schott® ceramic glass - WIH400B model: 208V, 2900W / 240V, 3300W, 15 amps, 6-15 plug - Easy-to-use touch controls with 12 temperature settings ranging from 120°F to 500°F / 79°C to 260°C