Materials and capacity: Made from professional foodgrade stainless steel for durability and a long lifespan. The 4 L capacity meets the drinking water needs of the whole family and is suitable for gatherings or parties. Clear whistle: The whistle is clear and moderate in volume, designed to alert you when the water has boiled even in noisy environments without being overly loud. Fast heating with a 5ply clad base: The bottom is thickened and upgraded, with visible thickness for strong thermal conductivity and longlasting performance. The ring bottom design enhances heat distribution to boil water more quickly. Universal compatibility: The kettle features a universal base that works on induction, gas, electric, halogen, and radiant stoves, offering broad compatibility across different cooktops. Practical uses: Family camping trips or outdoor picnics: Large 4 L capacity provides enough hot water or tea for multiple people, while the sturdy stainless steel construction withstands outdoor use. Home gatherings and parties: Quick heating and a reliable whistle help you serve tea or hot water to guests with ease on various stove types. Everyday kitchen use: Efficient heating and broad stove compatibility make it convenient for boiling water quickly on induction, gas, or electric ranges.