Flexibility: Removable water restriction is easy to install and clean. Swivel and tilt ball head allow you to get the perfect angle. Lead free. characteristic: the color of the light is changed by the temperature of the water; hot water Red, Green Hot water, cold water Blue. You can judge the color temperature of the light. technology: designer waterfall flow with LED light. Does not require batteries, motivation sensor depends on water pressure. Upscale and refined design makes your bathroom more elegant. safety and environmental protection: no electricity, no batteries; fed by the flow of water. You can use water safely and not cause air pollution. Water saving: Limits the flow of water from faucets without decreasing the water pressure or affecting the effect of washing and rinsing. Spray aerator keeps splashing to a minimum and saves water and reduces energy costs. Specifications: Condition: 100% new Material: ABS Finish: electrolytic Item color: silver Light color: green: 31, blue: 32 ~ 43, red: 44 ~ 50, red Flash: & gt; 51 LED power supply: tap water (no battery needed) Connection size: G4 / 3 female thread Max. Diameter: approx. 38 mm / 1.50 in Height: approx. 62 mm / 2.44 in Weight: about 42 g Package contents: 1 x LED sprayer tap Note: 1. Please allow 02cm error due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as the standard.