1.Material : Zinc handle, brass body ,brass spout 2.Colour: Chrome 3.Cartridge: 40mm 4.Function: With LED , work with water pressure, have water have light, no water no light, Light colour changed according to water temperature 0-32 degree: Blue 33-42 degree: warm white 43-50 degree:Red above 50 degree: red flicker 5.QC: We do water testing for each piece before packing 6.packing: each piece in a box with cotton, 10pcs in a carton. 7.Certificate: ISO9001 , CE