Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. If you need to change the color or style, you need to contact us within 12 hours after placing the order. Our product description: Item's color might be different from the picture because of the aberration.Magnetic Water Flow Switch adopts a Magnetic Reed Switch and a movable magnet which is fixed inside the water pipe.When water flows in the pipe,the magnet will detect the water flow and make the reed switch close or openWidely used in water industrial field,such as green air condition system water heater ETCHousing Product material:SUS 304Color:ChromeNo standby power requirementSimple installation and adjustmentInlet Thread:InnerOutlet thread:Innerpipe size:1/2InchHeight:59mmDiameter:24mmInner diameter :20mmthe min currect rating:1L/MinProduct material:copperinstall angle:horizon vertical Package include1 x water Flow switch Note: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.