This Russell Hobbs glass kettle is clearly superior. It has German Schott glass which is impact resistant, it's 3000W for rapid boiling and has an internal Strix control which prevents and protects the kettle from over heating.

Features:

• 1.7L capacity
• 3000W rapid boil element
• Impact resistant Schott glass
• Stainless steel rim to protect the glass housing
• Superior quality Strix control
• Blue LED illuminating light ring
• 360° rotating cordless base
• Concealed heating element
• Lime scale filter
• Trigger release button to open lid
• Cord storage
• For domestic use only
• 2-year warranty