Fully automatic:Automatic sensor flushing brings incredible convenience to your life. All flushing actions are performed automatically by the machine without human intervention. bacteria infection. Convenient and hygienic:The sensor can control the flushing according to the frequency of use, thus avoiding the waste of water resources. If the urinal is not used for a long time, the flushing valve will automatically flush every 24 hours. Convenient maintenance:The valve and filter are installed inside, it is easy to adjust the water flow and to clean the filter screen. Exposed wall-mounted, suitable for all kinds of modification projects. Premium material:The urinal flush valve is made of brass, skillful workmanship, structural precision, service life robust.Complete with accessories installation, easy to install. Specification: Condition: 100% Brand New Material: Brass andamp; amp;Electroplated Power supply: DC6V (4 x AA alkaline batteries, not included) Water inlet/outlet diameter: