The RV heating tube adopts 120V voltage and 1440W power configuration, which is optimized for hot water systems in mobile scenarios such as RV and camper. Its U-shaped structure combined with stainless steel substrate, with precision magnesium oxide powder insulation layer, to achieve rapid heating within 15 seconds to 90% of the rated power, thermal efficiency conversion rate of up to 98%, to ensure that in low energy consumption to provide continuous and stable heat output.