Feature: Multifunctional use: shower, handshower and spout Universal Ceramic Disc Cartridge Standard US Plumbing Connections We provide one step service, design, production and packaging Top quality, competitive price and good service Category: Bathroom shower faucets Material: Brass body, zinc handle, ss spring Treatment: Polished Surface finished: Chrome plated The flow rate is 1.3 to 4.8 GPM. Available shower head sizes: 8", 10", 12", 16". Working: Worked water pressure:0.2-0.8 MPa. When water flows down,the led will light instantly and automatically. Digital temperature display No batteries and wires needed. The LED display working by water power through an inside micromoto. Gravity casting solid brass body, ceramic cartridge, zinc-alloy handle, chrome finish. High-class workmanship, machined-precisely, each production process is controlled strictly. Contains Drip-free Seal Ceramic Cartridge, which for drip free operation (600, 000 times operation tested).