Fully automatic water inlet: This system connects to a water pipe for automatic refilling, ensuring convenience without the need for manual water additions. It automatically stops filling when the tank reaches capacity to prevent overflow. Large 40L capacity boiler: Capable of delivering approximately 18-19L of water during outages, this boiler features a robust inner tank made from high-quality 304 food-grade stainless steel for increased corrosion resistance and durability. Intelligent micro-control: Schedule heating times easily with the digital display to reduce unnecessary heating and conserve energy when not in use. Dual filtration system: The built-in dual filtration system utilizes PP cotton and activated carbon to purify water, providing healthier drinking water for approximately 30-50 individuals. Safety features for dry burning prevention: The unit includes a micro-motion sensor that automatically stops heating in cases of water shortages, protecting the machine from potential damage.