XVL Pull Down Faucet Spray Head, Kitchen Faucet Spray Nozzle,Faucet Head Replacement Part,Check Valve and Screen Filter G1/2 Connections, Brushed Nickel T6501a Description Features: The item is not universal.Only for the faucet with G1/2 connector, Not for NPT connector. Please consult the manufacturer of the faucet whether the connector of the faucet is G1/2 (About 2 cm or 0.8 inch) to avoid the mistake about the size.And please check the image of the size and make sure this is the right size (small or big) you expected. The default working funtion is stream(the first funtion).The sprayer is small size. You can use the switch to transform stream to dispersed water(the second funtion). The round button is only for making water pause and you should keep pressing this button to hold water off.Once you turn the water off or stop pressing the round button, it reverts back to the default working function(the first function). Product Details: Manufacturer: ‎XVL Part Number: ‎T6501A Item Weight: ‎3.2 ounces Product Dimensions: ‎3.5 x 1.2 x 1.7 inches Item model number: ‎T6501A Is Discontinued By Manufacturer: ‎No Color: ‎Brushed Nickel Item Package Quantity: ‎1 Batteries Included?: ‎No Batteries Required?: ‎No Date First Available: May 12, 2015