1. The urinal flushing valve adopts manual operation, very flexible and water-saving. 2. Convenient and hygienic washing to avoid cross infection or peculiar odor. 3. Using high quality copper material, the is chrome plated, durable and corrosion resistant. 4. Wall-mounted installation, G1/2 thread connection, no plumber, simple installation. 5. It supports 3-6 seconds delay, which is perfect for household bathrooms and toilets. Specification: Item Type: Urinal Flush Valve. Material: Copper Spool Valve Material: All Copper Thread Specification: G1/2 Function: Urine/Feces Flushing Flushing Valve Type: Hand Press Type Installation Method: Wall Mounting Delay Time: 3-6 seconds Treatment of: Chrome plating Weight: approx. 378g / 13.3oz Product size: approx. 15.6 x 11cm / 6.1 x 4.3in How to use: Suitable thread configuration, simple installation, according to the product picture can be installed. Package List: 1 x Flush Valve 2 Bases 1 Tube 1 Rubber Gasket. Note: 1. Please allow 0-1 inch error due to manual measurement. Thank you for 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 standard.