Standard US/UK/EU connection dimensions ensure easy and quick installation. Both showerheads utilize air-enhanced technology to deliver a natural rain-like shower experience; the handheld high-pressure showerhead saves water while ensuring a perfect shower experience. Black exterior: It features a matte black finish in a European and American style, and undergoes multi-layer electroplating treatment, passing the salt spray test. Adjustable temperature - The thermostatic shower valve can be set to a standard temperature of 38°C (100.4°F), which is the most suitable shower temperature to prevent scalding. Simply press the control button to adjust the desired temperature.