Reliable and healthy materials: 10 '' rain shower (brass), shower valve (brass), hand shower (brass), shower arm (brass), shower (brass), black finish Easy to install: easy to install, no professional ls, more intimate. Threads in accordance with standards are compatible with most existing shower systems without removing the wall. 2 Function: Bidirectional switch button switchable features - shower, hand-held shower (not available at the same time). Bring you a different shower experience At 38 ° C safety lock - shower faucet with tat, prevent sudden changes in temperature or pressure to maintain the water temperature in the shower at +/- 3 ° F safety level Shower nozzles are made of soft ABS materials, easy to clean and solve scale problems. Mild stress will make them loose and quickly remove dirt