This Black Thermostatic System Dual-function 22cm*55cm Rain Shower Head: High pressure rainfall and powerful waterfall shower sprayers bring you a amazing shower experience, never will you regret having this multi shower head system.38°C one-button constant temperature: one-button to lock the temperature of the water, and the water will be hot immediately when it is turned on. Say goodbye to repeated temperature adjustments, and prevent the elderly and children from mishandling during the shower, which will cause the water temperature to rise sharply and burn the skin. 3-Function Shower Head And Handheld Shower head: Unique rectangular shower head with 2-function: Waterfall and rainfall; High pressure rainfall and powerful waterfall shower sprayers bring you a amazing shower experience, never will you regret having this multi shower head system. The thermostatic valve core automatically senses the water temperature and expands with heat and contracts with cold without hands-on, and constantly pushe The pressure balance shower cartridge monitors water pressure balance to protect you from scald due to sudden changes of pressure of hot or cold water; One-piece solid brass shower valve body with standard 1/2" NPT tapered threads, ensuring quality and easy to install, single lever design, easy to control water flow and temperature. The creative top sprays water, with a unique shape design, and the rain is delicate and skin-friendly, which has a massage effect.Easy to clean, no clogging, food grade silicone water hole. Good material, anti-aging, more durable; can be cleaned with gentle hands, and can be washed every day.Waterfall spout, the simple straight line outlines the simple style and more vivid visual effect, and the waterfall washes and massages, allowing you to enjoy the shower experience to the fullest.