Black Smeg Electric Hob SI5322B, This SI5322B hob has install dimensions of 30cm (width) x 6.4cm (height) x 51.5cm (Depth). The SI5322B model also comes with 2 Independent boosters, 9 power levels with quick selection setting, Visual display to show power level/ residual heat/countdown cooking time, End of cooking acoustic alarm, Automatic switch off when overheat, Child safety lock and a manufacturer's warranty of 2 years for peace of mind.