Russell hobbs colours plus cream rapid boil kettle the 3kw of power includes a rapid boil feature which means you can boil one cup in 45 seconds this means it can help you be more energy efficient when only boiling a small amount saving up to 70 energy a clever widget inside the kettle clearly indicates 1 2 or 3 cup volumes so you can boil just the amount of water you need generous 17l water capacity a rear water gauge helping you to fill up easily and efficiently for ease of use an