Generic All-copper Heat Discoloration Square 16-inch LED Shower Head The shower head is full of copper,has 400mm in diamater of square . Temperature control.You don't need light when take a shower. Anti-hydraulic pressure.The shower can withstand up to 15 kg of water pressure. Hydroelectric power.Without external power supply,and will not cause any harm to human body. 20 LED Bulbs in three different colors: Blue,Pink,Red.