[ADVANCED SAFETY PROTECTION] Equipped with dual safety features including a water flow switch and ultra-high temperature protection. [SERVICE:We attach great importance to our customers,shopping experience. If you have any questions, please feel free to contact us, we will reply you as soon as possible within 24 hours [HIGH-QUALITY STAINLESS STEEL CONSTRUCTION] Built with premium stainless steel and electric heat pipe, this thermostat offers superior durability [PRECISE MECHANICAL TEMPERATURE CONTROL] Enjoy complete control over your water temperature with the easy-to-use mechanical switch. [COMPACT DESIGN FOR EASY INSTALLATION] Measuring just 340x122x125mm, this space-saving heater fits seamlessly into circulation pipes under bathtubs.